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JavaScript - Display X Random Values From Array
Hello,
I have an array containing 100 different values. How would I randomly pick 25 of them for display? For now I do: PHP Code: for (var i=0; i<markers.length && i<25; i++) { html += markers[i].name + '<br />'; } Which of course returns 25 values but always in the same order which is not what I want. Thanks in advance! PS. My array could also contain only 20 values, in which case I would like the function to display the 20 values randomly sorted. Similar TutorialsI've looked for a solution to this issue, but it seems like a little different scenario than other situations. I made a system for generating friend requests on Facebook. I have a grid that is 6 x 3, for a total of 18 cells. Each cell has a picture in it, and the picture is linked to the Facebook friend request page. My problem is that since each cell is populated at random from the array, I'm getting lots of repeats. For example, some picutures are in 5 cells, and some are in none. I'm trying to figure out how to make it so that once a picture is used once in the grid, it does not get used again in the same grid. I still want every cell filled at random on each page load, I just want to prevent the repeating. Here's my current code: Code: <script type="text/javascript">
var vip_list=new Array(
new Array('http://profile.ak.fbcdn.net/v225/1616/88/s1220771654_2158.jpg','http://www.facebook.com/addfriend.php?id=1220771654'),
new Array('http://profile.ak.fbcdn.net/v223/1233/29/s904885342_9055.jpg','http://www.facebook.com/addfriend.php?id=904885342'),
new Array('http://profile.ak.fbcdn.net/v229/1574/66/s1752031238_626.jpg','http://www.facebook.com/addfriend.php?id=1752031238'),
new Array('http://profile.ak.fbcdn.net/v223/768/71/n661155042_7325.jpg','http://www.facebook.com/addfriend.php?id=661155042'),
new Array('http://profile.ak.fbcdn.net/v226/732/26/n1827289885_2478.jpg','http://www.facebook.com/addfriend.php?id=1827289885'),
new Array('http://profile.ak.fbcdn.net/v229/1631/70/s1425313768_1140.jpg','http://www.facebook.com/addfriend.php?id=1425313768'),
new Array('http://static.ak.fbcdn.net/pics/s_silhouette.jpg','http://www.facebook.com/addfriend.php?id=1667023416'),
new Array('http://profile.ak.fbcdn.net/v225/1146/29/s506485704_9532.jpg','http://www.facebook.com/addfriend.php?id=506485704'),
new Array('http://profile.ak.fbcdn.net/profile6/270/32/s692160490_8745.jpg','http://www.facebook.com/addfriend.php?id=692160490'),
new Array('http://profile.ak.fbcdn.net/v229/114/83/s1218176198_7375.jpg','http://www.facebook.com/addfriend.php?id=1218176198'),
new Array('http://profile.ak.fbcdn.net/v226/946/4/s1470171885_4973.jpg','http://www.facebook.com/addfriend.php?id=1470171885'),
new Array('http://static.ak.fbcdn.net/pics/s_silhouette.jpg','http://www.facebook.com/addfriend.php?id=1329505888'),
new Array('http://static.ak.fbcdn.net/pics/s_silhouette.jpg','http://www.facebook.com/addfriend.php?id=1325496968'),
new Array('http://profile.ak.fbcdn.net/v223/1546/92/s1536913202_2017.jpg','http://www.facebook.com/addfriend.php?id=1536913202'),
new Array('http://static.ak.fbcdn.net/pics/s_silhouette.jpg','http://www.facebook.com/addfriend.php?id=1624715433'),
new Array('http://profile.ak.fbcdn.net/v228/1282/58/s713998257_3682.jpg','http://www.facebook.com/addfriend.php?id=713998257')
);
var chosen_vip=Math.floor(vip_list.length*Math.random());
var chosen_vip1=Math.floor(vip_list.length*Math.random());
var chosen_vip2=Math.floor(vip_list.length*Math.random());
var chosen_vip3=Math.floor(vip_list.length*Math.random());
var chosen_vip4=Math.floor(vip_list.length*Math.random());
var chosen_vip5=Math.floor(vip_list.length*Math.random());
var chosen_vip6=Math.floor(vip_list.length*Math.random());
var chosen_vip7=Math.floor(vip_list.length*Math.random());
var chosen_vip8=Math.floor(vip_list.length*Math.random());
var chosen_vip9=Math.floor(vip_list.length*Math.random());
var chosen_vip10=Math.floor(vip_list.length*Math.random());
var chosen_vip11=Math.floor(vip_list.length*Math.random());
var chosen_vip12=Math.floor(vip_list.length*Math.random());
var chosen_vip13=Math.floor(vip_list.length*Math.random());
var chosen_vip14=Math.floor(vip_list.length*Math.random());
var chosen_vip15=Math.floor(vip_list.length*Math.random());
var chosen_vip16=Math.floor(vip_list.length*Math.random());
var chosen_vip17=Math.floor(vip_list.length*Math.random());
document.write('<center>');
document.write('<a href="',vip_list[chosen_vip][1],'" target="_blank"><img src="',vip_list[chosen_vip][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip1][1],'" target="_blank"><img src="',vip_list[chosen_vip1][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip2][1],'" target="_blank"><img src="',vip_list[chosen_vip2][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip3][1],'" target="_blank"><img src="',vip_list[chosen_vip3][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip4][1],'" target="_blank"><img src="',vip_list[chosen_vip4][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip5][1],'" target="_blank"><img src="',vip_list[chosen_vip5][0],'" height="60" width="60"></a>');
document.write('<br>');
document.write('<a href="',vip_list[chosen_vip6][1],'" target="_blank"><img src="',vip_list[chosen_vip6][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip7][1],'" target="_blank"><img src="',vip_list[chosen_vip7][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip8][1],'" target="_blank"><img src="',vip_list[chosen_vip8][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip9][1],'" target="_blank"><img src="',vip_list[chosen_vip9][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip10][1],'" target="_blank"><img src="',vip_list[chosen_vip10][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip11][1],'" target="_blank"><img src="',vip_list[chosen_vip11][0],'" height="60" width="60"></a>');
document.write('<br>');
document.write('<a href="',vip_list[chosen_vip12][1],'" target="_blank"><img src="',vip_list[chosen_vip12][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip13][1],'" target="_blank"><img src="',vip_list[chosen_vip13][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip14][1],'" target="_blank"><img src="',vip_list[chosen_vip14][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip15][1],'" target="_blank"><img src="',vip_list[chosen_vip15][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip16][1],'" target="_blank"><img src="',vip_list[chosen_vip16][0],'" height="60" width="60"></a>');
document.write('<a href="',vip_list[chosen_vip17][1],'" target="_blank"><img src="',vip_list[chosen_vip17][0],'" height="60" width="60"></a>');
document.write('<br>');
</script>
Any suggestions? Thank you! Hi! I'm trying display ready made flashcards by using the example below. Now this works just fine. But I want the cards to be randomly chosen and displayed one at a time. Any ideas? I've been sitting up all night trying to figure this out on my own, but come to the conclusion that I need help, and sleep.. Code:
<head>
<script type="text/javascript">
window.onload= function() {
var divs= document.getElementsByTagName('div');
for (var i= divs.length; i-->0;)
if (divs[i].className==='question')
Toggler(divs[i]);
};
function Toggler(div) {
var state= false;
var toggled= div.nextSibling;
while (toggled.nodeType!==1)
toggled= toggled.nextSibling;
div.onclick= function() {
state= !state;
toggled.style.display= state? 'block' : 'none';
};
};
</script>
<style>
div.flashcard {
margin: 0 10px 10px 0;
}
div.flashcard div.question {
background-color:#ddd;
width: 400px;
padding: 5px;
cursor: hand;
cursor: pointer;
}
div.flashcard div.answer {
background-color:#eee;
width: 400px;
padding: 5px;
display: none;
}
</style>
</head>
<body>
<div id="1" class="flashcard">
<div class="question">Question goes here</div>
<div class="answer">Answer goes here</div>
</div>
</body>
</html>
tag! I've tried the solution below, which successfully generates random cards, BUT the toggling just works on the first flashcard in the code Code: <div id="randomdiv1" style="display:none;">
/*inserted this as content*/
<div id="1" class="flashcard">
<div class="question">Question goes here</div>
<div class="answer">Answer goes here</div>
</div>
</div>
<div id="randomdiv2" style="display:none;">
[content for div 2]
</div>
<div id="randomdiv3" style="display:none;">
[content for div 3]
</div>
<script type="text/javascript" language="JavaScript"><!--
NumberOfDivsToRandomDisplay = 3;
var CookieName = 'DivRamdomValueCookie';
function DisplayRandomDiv() {
var r = Math.ceil(Math.random() * NumberOfDivsToRandomDisplay);
if(NumberOfDivsToRandomDisplay > 1) {
var ck = 0;
var cookiebegin = document.cookie.indexOf(CookieName + "=");
if(cookiebegin > -1) {
cookiebegin += 1 + CookieName.length;
cookieend = document.cookie.indexOf(";",cookiebegin);
if(cookieend < cookiebegin) { cookieend = document.cookie.length; }
ck = parseInt(document.cookie.substring(cookiebegin,cookieend));
}
while(r == ck) { r = Math.ceil(Math.random() * NumberOfDivsToRandomDisplay); }
document.cookie = CookieName + "=" + r;
}
for( var i=1; i<=NumberOfDivsToRandomDisplay; i++) {
document.getElementById("randomdiv"+i).style.display="none";
}
document.getElementById("randomdiv"+r).style.display="block";
}
DisplayRandomDiv();
//--></script>
I'm in an experimenting phase doing a lot of copy/paste so if this is very far out I wiill very much appreciate alternatives. Thanks!! Hello, i got a problem with my following js-script. Sorry I'm a noob. I want to display several divs with math.random. 12 divs are in an array, after this I place 6 of them randomly in another array and want to display them. But it doesnt happen and I dont know why . Here is my script: Code: <html>
<head>
<style type="text/css">
.hidden{display:none;}
</style>
<script type="text/javascript">
window.onload = function () {
var domelem = document.getElementById("wrap").getElementsByTagName("div");
var studis = [];
for(var i =0; i < domelem.length; i++)
{
studis[i] = domelem[i];
}
var a = [];
while(a.length <= 5)
{
var spliced = studis.splice(Math.floor(Math.random()*studis.length), 1);
a.push(spliced);
}
for (var i = 0; i < a.length; i++){
a[i].style.display = 'block';
}
}
</script>
</head>
<body>
<div id="wrap">
<div class="hidden">content</div>
<div class="hidden">content</div>
<div class="hidden">content</div>
<div class="hidden">content</div>
<div class="hidden">content</div>
........
</div>
The Problem is, that the divs are not displayed. I thought it was correct to do it like this. Please can anybody help, I dont know what to do. I would be very grateful. Ok got a random image display and have tried to make it so once the image is displayed it is taken out of the array so it can not be viewed again untill there are no more elements in the array, problem is, it doesn't work. Have been told about shuffle, but not very keen on that. Can someone shed some light. 4 images, with accompaning links to be displayed 4 times, all unique. Code: Code: <script language="JavaScript">
function random_imglink(){
var myimages=new Array()
myimages[0]="http://ads.factorymedia.com/www/images/fbm_oct10_300x80.gif"
myimages[1]="http://ads.factorymedia.com/www/images/rbbyd_web_banner_300x80_animated.gif"
myimages[2]="http://ads.factorymedia.com/www/images/2010_vex_300x80.jpg"
myimages[3]="http://ads.factorymedia.com/www/images/image_3.gif"
var imagelinks=new Array()
imagelinks[0]="http://www.4downdistribution.com/"
imagelinks[1]="http://www.redbull.co.uk/cs/Satellite/en_UK/Event/Red-Bull-Backyard-Digger-021242831811513"
imagelinks[2]="http://verdebmx.com/"
imagelinks[3]="http://www.zealbmx.com/"
var count;
for(count=0; count<myimages.length; count++) {
if (myimages.length>0) {
var ry=Math.floor(Math.random()*myimages.length)
document.write('<div class="feed2"><a href='+'"'+imagelinks[ry]+'"'+'><img src="'+myimages[ry]+'" height=64px width=240px border=0></a></div>')
if (ry>0 && ry<myimages.length-1) {
myimages=concat(myimages. (0,ry-1),myimages.slice(ry+1,myimages.length-1));
imagelinks=concat(imagelinks.slice(0,ry-1),imagelinks.slice(ry+1,imagelinks.length-1));
}
if (ry==0) {
myimages=myimages.slice(1,myimages.length-1);
imagelinks=imagelinks.slice(1,imagelinks.length-1);
}
if (ry==myimages.length-1) {
myimages=myimages.slice(0,ry-1);
imagelinks=imagelinks.slice(0,ry-1);
}
}
}
}
</script>
<script language="JavaScript">
random_imglink();
</script>
an alternative way that also didn't work Code: function random_imglink(){
var myimages=new Array();
myimages[0]="http://ads.factorymedia.com/www/images/fbm_oct10_300x80.gif";
myimages[1]="http://ads.factorymedia.com/www/images/rbbyd_web_banner_300x80_animated.gif";
myimages[2]="http://ads.factorymedia.com/www/images/2010_vex_300x80.jpg";
myimages[3]="http://ads.factorymedia.com/www/images/image_3.gif";
var imagelinks=new Array();
imagelinks[0]="http://www.4downdistribution.com/";
imagelinks[1]="http://www.redbull.co.uk/cs/Satellite/en_UK/Event/Red-Bull-Backyard-Digger-021242831811513";
imagelinks[2]="http://verdebmx.com/";
imagelinks[3]="http://www.zealbmx.com/";
var indexes = [0, 1, 2, 3];
index.sort(function (){ reutrn 0.5 - Math.random(); });
for(var count=0; count < index.length; count++) {
var ry = indexes[count];
document.write('<div class="feed2"><a href='+'"'+imagelinks[ry]+'"'+'><img src="'+myimages[ry]+'" height=64px width=240px border=0></a></div>');
}
}
Hi, I have a Javascript which I'm using to display one of four Flash SWF files randomly. These need to be actually displayed twice, so I'm basically calling the script twice. This works great aside from one thing- occasionally the same movie appears in both scripts, for example the first instance picks movie 3 of 4 and th second instance does the same. What I need is to somehow make sure that if the first instance of the script picks movie x then the second script will pick any movie EXCEPT movie x. This is the script as it stands: Code:
<script language="JavaScript">
// Generate a Random Number
var randomnumber = Math.round(Math.random()*3);
// Select a swf and execute the corresponding function
if (randomnumber == 1)
{movie1();}
else if (randomnumber == 2)
{movie2();}
else if (randomnumber == 3)
{movie3();}
else {movie4();}
//Functions to write out the correct flash movie resource.
function movie1(){
document.write("<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=4,0,2,0\" width=\"120\" height=\"285\"><param name=movie value=\"assets/images/ads/hotels/1.swf\"><param name=quality value=high><embed src=\"assets/images/ads/hotels/1.swf\" quality=high pluginspage=\"http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash\" type=\"application/x-shockwave-flash\" width=\"120\" height=\"285\"></embed></object>")
}
function movie2(){
document.write("<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=4,0,2,0\" width=\"120\" height=\"285\"><param name=movie value=\"assets/images/ads/hotels/2.swf\"><param name=quality value=high><embed src=\"assets/images/ads/hotels/2.swf\" quality=high pluginspage=\"http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash\" type=\"application/x-shockwave-flash\" width=\"120\" height=\"285\"></embed></object>")
}
function movie3(){
document.write("<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=4,0,2,0\" width=\"120\" height=\"285\"><param name=movie value=\"assets/images/ads/hotels/3.swf\"><param name=quality value=high><embed src=\"assets/images/ads/hotels/3.swf\" quality=high pluginspage=\"http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash\" type=\"application/x-shockwave-flash\" width=\"120\" height=\"285\"></embed></object>")
}
function movie4(){
document.write("<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=4,0,2,0\" width=\"120\" height=\"285\"><param name=movie value=\"assets/images/ads/hotels/4.swf\"><param name=quality value=high><embed src=\"assets/images/ads/hotels/4.swf\" quality=high pluginspage=\"http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash\" type=\"application/x-shockwave-flash\" width=\"120\" height=\"285\"></embed></object>")
}
</script>
What I am doing is working on a shooting app that will randomly call out different targets to shoot. I have it so it will randomly organize them but I need it so it pulls a single one. Any help would be appreciated! Code: <html>
<body>
<p id="demo">Click the Button to Call out a target</p>
<button onclick="myFunction()">Call Out</button>
<script type="text/javascript">
function myFunction()
{
var myarray=["red","blue", "yellow", "orange"]
myarray.sort(function() {return 0.5 - Math.random()})
var x=document.getElementById("demo");
x.innerHTML=myarray;
}
</script>
</body>
</html>
Hi, please look at: http://bit.ly/hO5VBE then click 'play app match' you'll see the images are taken from the first 15 in an array, then doubled and randomized. however, i want the the images taken to be a random selection from an array of 15+ images. so the array would be e.g. 25 images, and i want any 15 of those 25 to be chosen (then doubled and randomized) rather than the first 15 taken. any help would be great! James p.s. if you load the main page while hovering over an icon, its tooltip will be "undefined".. any ideas to stop this? Thanks! My array contains 15 value I want to random pick 5 value: Code: myArray[0] ="a"; myArray[1] ="b"; myArray[2] ="c"; myArray[3] ="d"; myArray[4] ="e"; myArray[5] ="f"; myArray[6] ="g"; myArray[7] ="h"; myArray[8] ="i"; myArray[9] ="j"; myArray[10] ="k"; myArray[11] ="l"; myArray[12] ="a"; myArray[13] ="b"; myArray[14] ="c"; How to random pick from all elements with no repeat of the same content. e.g. if myArray[0] is picked then myArray[12] will not be picked again. (because they have the same value "a") I am taking a Javascript class and the teacher assigned this: Quote: Write a script that uses a random number generation to create sentences and name it sentences.html. Use five arrays of strings called: uppercase article (uarticle), noun, verb, lowercase article (larticle), and preposition. You will need to use the correct case for the article arrays. Create a sentence by selecting a word at random from each array in the following order: uarticle, noun, verb, preposition, larticle, noun. You can find examples of generating random numbers in both Fig. 8.6 (dice-rolling) and Fig. 8.7 (random image) of Chapter 8. The arrays should be filled at minimum, as follows: the article array(s) should contain the articles: the, a, one, some and any. The noun array should contain the nouns: boy, girl, dog, town and car. The verb array should contain the verbs: drove, jumped, ran, walked, and skipped. The preposition array should contain the prepositions: to, from, over, under and on. If you would like to add more words, adjust the arrays appropriately. As each word is picked, concatenate it to the previous words in the sentence. The words should be separated by spaces. When the final sentence is output, it should start with a capital letter and end with a period. The program should generate 20 sentences and output them to the screen (document.write or document.writeln). You should use a for loop similarly to the one used in Fig. 8.6 in order to get it to print 20 times. I haven't gotten to the loop yet, I'm just working on the random sentence first. Here is what I have: Code: <script type="text/javascript">
<!--
uarticle = new Array("The", "A", "One", "Some", "Any");
noun = new Array("boy", "girl", "dog", "town", "car");
verb = new Array("drove", "jumped", "ran", "walked", "skipped");
larticle = new Array("the", "a", "one", "some", "any");
preposition = new Array("to", "from", "over", "under", "on");
var rand1 = [Math.floor ( Math.random() * uarticle.length )];
var rand2 = [Math.floor ( Math.random() * noun.length )];
var rand3 = [Math.floor ( Math.random() * verb.length )];
var rand4 = [Math.floor ( Math.random() * larticle.length )];
var rand5 = [Math.floor ( Math.random() * preposition.length )];
document.write(uarticle[rand2] + " " + noun[rand2] + " " + verb[rand3] + " " + preposition[rand1] + " " + larticle[rand4] + " " + noun[rand2] + ".");
-->
</script>
Am I on the right track? How would I loop the sentences using a for statement? Well I have an array and a button to select a random integer from the array, how do I make it so that it selects every integer once til all are selected, then it starts over again? For example, an array has these: A B 1 2 Q F So you press the button a number of times, and you get: Q B 1 F A 2 Instead of: 1 Q A 1 B A hi I'm just new to java and I'm trying to write a script that will shuffle the information in a array with no gaps and no repeats. below is that code that i have so far. thanks ben [CODE] //constants SWAPS_TO_BE_MADE = 30; //variables var myArray = new Array('Ace',2,3,4,5,6,7,8,9,10,'Jack','Queen','King'); // the array that entities will be shuffled from var temp = 0; var outPutArray = new Array (12); var arrayLength = myArray.length; var index = 0; var swapIndex = 0; var self_swaps = 0; var counter = 0; temp=myArray[swapIndex] document.write('<h1>Array shuffling</h1>'); document.write('<p>Before shuffle: '+myArray+'</p>'); //loop while(counter < SWAPS_TO_BE_MADE) { index =Math.floor(Math.random()*arrayLength); swapIndex =Math.floor(Math.random()*arrayLength); var index_value = index; var range = 1; myArray.splice(index_value,range,'spilced'); outPutArray[swapIndex] = index; if(index == swapIndex) { self_swaps++; } counter++; index = (index + 1 % arrayLength); swapIndex= (swapIndex + 1 % arrayLength); } document.write('<p>After shuffle: '+outPutArray+'</p>'); document.write('<p>After shuffle: '+myArray+'</p>'); [ICODE] Another homework assignment that I can't quite seem to get to work... I've been asked to do the following using javascript: -Create a function named randInt() with one parameter of "size". Declare a variable named "rNum" equal to a random integer between 1 and the value of the size variable. Return the value of the "rNum" varialbe from the function. -Create a function named getQuote() with one parameter anemd "qNum". The function should create an array named mtQuotes with five quotes; there should be no quote for the array index "0". Return the value of the mtQuotes array for the qNum index. - In the div element of "quotes" insert a script with the following commands: Declare a variable named "randValue" which is euqal to a random integer between 1 and 5 (use the randInt() function). Declare a variable named "quoteText" containing the quote whose array index value is equal to randValue. Write the value of quoteText to the web page. Here is what I have...it returns undefined. thanks. Code:
<html>
<head>
<script type="text/javascript">
function randInt(size) {
var rNum=Math.ceil(Math.random()*5);
return(rNum);
}
</script>
<script type="text/javascript">
function getQuote(qNum);
var mtQuotes = new Array();
mtQuotes[0] = "";
mtQuotes[1] = "I smoke in moderation, only one cigar at a time.";
mtQuotes[2] = "Be careful of reading health books, you might die of a misprint.";
mtQuotes[3] = "Man is the only animal that blushes or needs to.";
mtQuotes[4] = "Clothes make the man. Naked people have little or no influence on society.";
mtQuotes[5] = "One of the most striking differences between a cat and a lie is that a cat has only nine lives.";
return mtQuotes[qNum];
</script>
</head>
<body>
<div id="quotes">
<script type="text/javascript">
var randValue=randInt(5);
var quoteText=getQuote(randValue);
document.write(quoteText);
</script>
</div>
I'm using the autofill forms plugin for firefox which can be found he https://addons.mozilla.org/en-US/firefox/addon/4775 I use it to automatically fill various web forms, duh. But I would like certain values to be chosend randomly from a list I create. I contacted the developer and he said the add on probably does not need a new feature because there is a 'dynamic tags' function to fill certain forms with dynamic values (e.g. the current time or date). He has given over the project to another developer and told me I probably would find a solution in a good javascript programming forum. So here I am! Can anyone help me with this? Basically, I just need a javascript code which chooses on item from an array randomly, I guess? I'm not a programmer myself, so any help would be greatly (!) appreciated. Thanks a lot in advance for any further guidance! Note: Here are sample dynamic tags from the plugin: <datetime> new Date().toLocaleString() <useragent> navigator.userAgent <langcode> navigator.language <resolution> screen.width+'x'+screen.height <clipboard> this.getClipboardText() Hey guys, I'm hoping this is possible or that there is an easier way to do this. I'm having an issue with displaying data from one array that contains information about users in a table that is controlled by a different array. Is it possible to do this or is this use of arrays to display the data the wrong approach? The table is located on one webpage, I simply want to extract one piece of information that I have placed in the initial array as part of the login script that contains user information (for validation for login etc) and display it in a table on the new webpage that is opened as a result of successful validation of the user details. I'm completely stumped and after many attempts I just can't seem to get it to work. I am fairly new to coding HTML with Javascript. I am hitting my head onto the table because i cannot figure out how to pull the variable value out in a document.write statement. Basically, I am calling a function to give me a random number between 1-4. I use that randomNumber to attach to different .jpg, descriptions, and URL's. So far, i have only got the image to display, but unable to get the link and description to display. Basically, i am trying to diplsay random ads and links like the one at the top of this page. p.s. I know I am getting the randomNumber out of my function becasue I can call a simple document.write(randomNumber) and it works. Substitute adDesc and adURL in place of randomNumber and I also get the description and link respectively. Code: <div id="main">
<div id="ads">
<script type="text/javascript">
// generate a random integer from 1 to 4
var randomNumber = randInt(4);
// description of the random ad
var adDesc = adDescription(randomNumber);
// URL of the random ad
var adURL = adLink(randomNumber);
document.write("<a href=adURL >");
document.write('<img src="ad' + randomNumber + '.jpg" title=adDesc >');
document.write("</a>");
</script>
</div>
If you haven't guessed it, I am pretty new. Reading a book and trying to put code into action are completely different. Thanks for any help! I have two dropdown menus. 1st -> Drop Down Menu (name="optionDrop") has 5 values which are "ABC", "ABCD", "ABCDE", "True or False" and "Yes or No". 2nd -> Drop Down Menu (name="numberDrop") has 5 values which are "","1", "2", "3" and "4". Now this is what I want to achieve: If user select "ABC" from "optionDrop", then only display options "", "1" and "2" If user select "ABCD" from "optionDrop", then only display options "", "1", "2" and "3" If user select "ABCDE" from "optionDrop", then only display options "", "1", "2", "3" and "4" If user select "True or False" from "optionDrop", then do not display DropDown Menu and Display N/A (This I achieved but I want hidden numberDrop to equal 1, I have not achieved that part) If user select "Yes or No" from "optionDrop", then do not display DropDown Menu and Display N/A (This I achieved but I want hidden numberDrop to equal 1, I have not achieved that part) Does anyone know how this can be done and implemented in the javascript code I have? Below is Javascript Code: Code: function getDropDown() {
var optionDrop = document.getElementsByName("optionDrop");
var na = document.getElementById("na");
var numberDrop = document.getElementsByName("numberDrop");
var answerA = document.getElementById("answerA");
var answerB = document.getElementById("answerB");
var answerC = document.getElementById("answerC");
var answerD = document.getElementById("answerD");
var answerE = document.getElementById("answerE");
var answerTrue = document.getElementById("answerTrue");
var answerFalse = document.getElementById("answerFalse");
var answerYes = document.getElementById("answerYes");
var answerNo = document.getElementById("answerNo");
if (optionDrop[0].value == "abc" || optionDrop[0].value == "abcd" || optionDrop[0].value == "abcde"){
numberDrop[0].style.display = "block";
na.style.display = "none";
}else if (optionDrop[0].value == "trueorfalse" || optionDrop[0].value == "yesorno"){
numberDrop[0].style.display = "none";
na.style.display = "block";
}
}
Htrml code: Code: <form id="enter" action="<?php echo htmlentities($_SERVER['PHP_SELF']); ?>" method="post" onsubmit="return validateForm(this);" >
<table id="middleDetails" border="1">
<tr>
<td>Question:</td>
<td rowspan="3">
<textarea rows="5" cols="40" name="questionText"></textarea>
</td>
<td>Option Type:</td>
<td>
<select name="optionDrop" onClick="getDropDown()">
<option value="">Please Select</option>
<option value="abc">ABC</option>
<option value="abcd">ABCD</option>
<option value="abcde">ABCDE</option>
<option value="trueorfalse">True or False</option>
<option value="yesorno">Yes or No</option>
</select>
</td>
<tr>
<td colspan="2"></td>
<td>Number of Answers:</td>
<td>
<span id="na">N/A</span>
<select name="numberDrop" id="numberDropId" onChange="getButtons()">
<option value=""></option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
</select>
</td>
</tr>
</table>
</form>
Hi friends, i have xnl file like <DATAPACKET > <data1> <R_ID>101</R_ID> <R_PRE>38</R_PRE> <R_PRE2>39</R_PRE2> <R_TEMP>8.35</R_TEMP> <R_TENP2>0.64</R_TENP2> </data1> <data1> <R_ID>102</R_ID> <R_PRE>36</R_PRE> <R_PRE2>37</R_PRE2> <R_TEMP>7.23</R_TEMP> <R_TENP2>1.21</R_TENP2> </data1> <data1> <R_ID>103</R_ID> <R_PRE>34</R_PRE> <R_PRE2>36</R_PRE2> <R_TEMP>7.21</R_TEMP> <R_TENP2>1.95</R_TENP2> </data1> <data1> <R_ID>104</R_ID> <R_PRE>32</R_PRE> <R_PRE2>35</R_PRE2> <R_TEMP>6.25</R_TEMP> <R_TENP2>2.30</R_TENP2> </data1> <data1> <DATAPACKET > then i have textbox...when i type 101 its go and get all data in the row in text area like 101 32 6025 2.30 please give me any idea how to do this i m try this if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp = new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.open("GET", "Refrigerater.xml", false); xmlhttp.send(); xmlDoc = xmlhttp.responseXML; x = xmlDoc.getElementsByTagName("ROWDATA"); //x = xmlDoc.getElementsByTagName("data1"); function displayInfo(selBox) { x = xmlDoc.getElementsByTagName("ROWDATA"); var col = (selBox.options[selBox.selectedIndex].text); document.getElementById("show").innerHTML = " " + col; } Please resolve my problem Thanks Venkat.S hello I am having a problem to add numbers store in an array. arrayValues[0][0] = 1; arrayValues[0][1] = 2; var col = 0; var sum; for ( var row = 0; row < index; i++ ) sum += arrayValues[col][row]; my result is ==> 12 it is defining my sum variable as string. even I try do do this var sum = 0; to define sum as numeric variable. my result was ==>012. Any idea, this is my first javaScritp code. Thanks. |
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