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JavaScript - Defining And Displayed Variables With Switch Statement
Hi,
I'm trying to code a script that will display an approximate postage price based on different combinations of variables, but the numbers I defined for each case aren't reflected in the text box. I'm using a switch statement for all the different combinations of options, which the user will choose by selecting check-boxes. I'd really appreciate if anyone could point out where I'm going wrong. (Additionally, I know that this code probably isn't a very efficient way of doing what I'm doing - I'm open to suggestions on how to improve it.) I've attached all the relevant parts of the code, including how I defined variables originally. Many thanks in advance, Gil Code:
<script type="text/javascript">
function count()
{
var firstclass = document.calc.firstclass.value;
var postcard = document.calc.firstclass.value;
var numpages = document.calc.numpages.value;
var nms = document.calc.nms.value;
var large = document.calc.large.value;
var numpages = parseInt(document.calc.numpages.value);
if (document.calc.grabber.checked)
{
var vweight = (numpages + 8) * 0.17636981;
} else {
var vweight = numpages * 0.17636981;
}
var postageprice = 0;
switch(postageprice)
{
case document.calc.postcard.checked:
var postageprice = 28;
break;
case document.calc.firstclass.checked && vweight <= 1:
var postageprice = 44;
break;
case document.calc.firstclass.checked && vweight <= 2:
var postageprice = 61;
break;
case document.calc.firstclass.checked && vweight <= 3:
var postageprice = 78;
break;
case document.calc.firstclass.checked && vweight <=3.5:
var postageprice = 95;
break;
case document.calc.firstclass.checked && document.calc.large.checked && vweight <= 1:
var postageprice = 88;
break;
case document.calc.firstclass.checked && document.calc.large.checked && vweight <= 2:
var postageprice = 105;
break;
case document.calc.firstclass.checked && document.calc.large.checked && vweight <= 3:
var postageprice = 122;
break;
case document.calc.firstclass.checked && document.calc.large.checked && vweight <= 4:
var postageprice = 139;
break;
case document.calc.firstclass.checked && document.calc.nms.checked && vweight <= 1:
var postageprice = 64;
break;
case document.calc.firstclass.checked && document.calc.nms.checked && vweight <= 2:
var postageprice = 81;
break;
case document.calc.firstclass.checked && document.calc.nms.checked && vweight <= 3:
var postageprice = 98;
break;
case document.calc.firstclass.checked && document.calc.nms.checked && vweight <= 3.5:
var postageprice = 105;
break;
case document.calc.firstclass.checked && document.calc.nms.checked && document.calc.large.checked && vweight <= 1:
var postageprice = 122;
break;
case document.calc.firstclass.checked && document.calc.nms.checked && document.calc.large.checked && vweight <= 2:
var postageprice = 139;
break;
case document.calc.firstclass.checked && document.calc.nms.checked && document.calc.large.checked && vweight <= 3:
var postageprice = 156;
break;
case document.calc.firstclass.checked && document.calc.nms.checked && document.calc.large.checked && vweight <= 4:
var postageprice = 173;
break;
default:
var postageprice = 0
}
document.calc.pay.value = postageprice
}
</script>
<form name="calc" method="POST">
<input type="text" name="numpages" size="10" value=10 onpropertychange="count()" onkeypress="keypress(event)" onclick="SelectAll()">
<input type=button name=clearnumber value="Clear" onclick="document.calc.numpages.value=0"> <p></p>
<input type="checkbox" name="firstclass" size="10" onclick="count()"><p>
<input type="checkbox" name="large" size="10" onclick="count()"></p>
<p>
<input type="checkbox" name="nms" size="10" onclick="count()"></p>
<p>
<input type="checkbox" name="postcard" size="10" onclick="count()"></p>
<p>
<input type="checkbox" name="grabber" size="10" onclick="count()"></p>
<p>$<input type="text" name="pay" size="10">
$<input type="text" name="perthousand" size="10">
</p>
</form>
Thanks again. Similar TutorialsHi, im new to this so i was wondering if anyone could tell me where im going wrong? im trying to get my switch statement to work and give me a specific reply for 4 names and if one of these names isnt typed into the promt box then i want an alert box to appear but i cant seem to get it to work. any ideas? <body> <script type="text/javascript"> //<![CDATA[ var Card_Suit; Card_Suit=window.prompt("Think of a card suit? What suit are you thinking of?","????"); //]]> </script> <h1 style='color: blue'>Your Future In The Cards</h1> <script type="text/javascript"> //<![CDATA[ switch(Card_Suit) { case "clubs": {document.write("<p style='color: black'>"); document.write("Beware of three legged dogs crossing your path</p>"); } break; case "spades": {document.write("<p style='color: black'>"); document.write("Wear brown with pink spots for luck</p>"); } break case "hearts": {document.write("<p style='color: red'>"); document.write("You are going to meet a stranger with two heads</p>"); } break; case "diamonds": {document.write("<p style='color: red'>"); document.write("Your lucky number for today is 13,254,297</p>"); } break; } else window.alert("this is not a card"); } Hi; Please can somebody help me make this code work for me. i want it to work in such a way that when someone select the ages in the combo box,it will direct the person to another page. Here is it <html> <body> <script type="text/javascript"> page = document.frmOne.cmbAge.value switch (page) { case "1": document.URL = "page1.html" break case "2": document.URL = "page2.html" break case "3": document.URL = "page3.html" break case "4": document.URL = "page4.html" break default: alert("An error occurred, so we are staying here") } </script> </body> <form name="frmOne"> <select name = "cmbAge"> <option value = 1>5 to 16</option> <option value = 2>17 to 30</option> <option value = 3>31 to 45</option> <option value = 4>46+</option> </select> </form> </body> </html> Please help me solve this.. Thanks you. Clement Osei. Im creating a switch statement for this case, but dont know how to start - Create a Switch statement that tests the value of the partyType parameter. If partyType equals "D", store the following text string in a variable named barText: Code: <td class='dem'> </td> If partyType equals "R", barText should equal Code: <td class='rep'> </td> etc.. So since its going to test the value of the partyType parameter, and store the text string in a variable named barText do i begin like: Code: var barText switch (partyType) and how do I write the equals "D", etc. the only examples I have are Code: if (seating = = 'B')
doc.write ("Your seat is in the balcony")
^ would i write it like that except seating would = partyType and "Your seat in the balcony" would equal the "<td class etc." ie Code: if (partyType = = "D")
doc.write ("<td class='dem'> </td>")
Hi everyone, I'm a beginner who has now come across the switch statement and has been trying to understand it with this simple coding i came up with. I think I have the syntex of the switch command correct but I'm trying to get it to work along with a HTML form and a function. I've been trying to figure out what i am do wrng but can not seem to see the solution. can someone guide me to the solution? thanks John Code: <html>
<head>
<title>Using the switch statement.</title>
<script type="text/javascript">
function basegraincheck(){
var basegrain = document.basegrainform.basegrain1.value
return basegrain
}
switch (basegrain) {
case 1 :
displaygrain = "US Pale ale malt"
break
case 2 :
displaygrain = "Maris Otter Malt"
break
case 3 :
displaygrain = "Crystal Malt"
break
default: displaygrain = "somethings wrong with the switch statement"
}
document.write(displaygrain);
</script>
</head>
<body>
<form name="basegrainform" action="" method="get" onsubmit="basegraincheck()">
<h2>Select a grain</h2>
<br>
<p>Pale ale Malt</p>
<input type="radio" name="basegrain1" value="1">
<br>
<p>Maris Otter Malt</p>
<input type="radio" name="basegrain1" value="2">
<br>
<p>Crystal Malt</p>
<input type="radio" name="basegrain1" value="3">
<br>
<input type="submit" value="Submit">
</form>
</body>
</html>
Here i am attempting to connect to my javascript two input fields one number and one radio button to change the function computeBudget()... Thank you in advance im desperate for over 48 hours 3 days with trial and error and looking for tutorials for this kind of situation. Code: <!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<script>
function computeBudget() {
var income = document.getElementById('income').value;
switch (income) {
case "Weekly":
this.add((income * 52) / 12);
break;
case "biWeekly":
this.add((income * 26) / 12);
break;
}
var grocery_expenses = document.getElementById('grocery_expenses').value;
var car_insurance = document.getElementById('car_insurance').value;
var home_mortgage = document.getElementById('home_mortgage').value;
var home_utilities = document.getElementById('home_utilities').value;
var life_insurance = document.getElementById('life_insurance').value;
var monthgain = (income - grocery_expenses - car_insurance - home_mortgage - home_utilities - life_insurance).toFixed(2);
monthgain = monthgain.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
document.getElementById('monthgain').innerHTML = "Monthly Net Gain = $" + monthgain;
var yeargain = ((income - grocery_expenses - car_insurance - home_mortgage - home_utilities - life_insurance) * 12).toFixed(2);
yeargain = yeargain.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
document.getElementById('yeargain').innerHTML = "Yearly Net Gain = $" + yeargain;
}
</script>
</head>
<body>
<p>Monthly Income: $<input name="income" id="income" type="number" min="1" max="100000000" onchange="computeBudget()"></p>
<p>Weekly <input name="income" id="income" type="radio" value="Weekly" onchange="computeBudget()">BiWeekly <input name="income" id="income" type="radio" value="biWeekly" onchange="computeBudget()"></p>
<p>Grocery Expenses: $<input id="grocery_expenses" type="number" min="1" max="100000000" onchange="computeBudget()"></p>
<p>Car Insurance: $<input id="car_insurance" type="number" min="1" max="100000000" onchange="computeBudget()"></p>
<p>Home Mortgage: $<input id="home_mortgage" type="number" min="1" max="100000000" onchange="computeBudget()"></p>
<p>Home Utilities: $<input id="home_utilities" type="number" min="1" max="100000000" onchange="computeBudget()"></p>
<p>Life Insurance: $<input id="life_insurance" type="number" min="1" max="100000000" onchange="computeBudget()"></p>
<h2 id="monthgain"></h2>
<h2 id="yeargain"></h2>
</body>
</html>
Reply With Quote 12-27-2014, 11:30 PM #2 Old Pedant View Profile View Forum Posts Supreme Master coder! Join Date Feb 2009 Posts 28,311 Thanks 82 Thanked 4,754 Times in 4,716 Posts Makes no sense. You have this code in the computeBudget() function: Code: this.add((income * 52) / 12); (1) The value of this depends on what invoked the computeBudget function. You invoke it from radio buttons and from text fields. (2) You use a method named add( ) on each of these various fields. There is NO SUCH METHOD defined for either radio buttons or text fields. I have no idea what you intend to do with that value you compute (e.g., ((income * 52) / 12)) but you sure as heck can't add it to anything (unless you write your own method or function named add) and you certainly can't use it to any reasonable effect on this, especially when this refers to a radio button. Hello all, This is my first post here, so I apologize if I didn't format this correctly. I am trying to figure out where I went wrong in my code. The objective is to display all lines of the song using a switch statement. I thought I had my head wrapped around it, but apparently not. Would anyone mind pointing me in the right direction, or telling me what I did wrong here? I would be greatly appreciative! Thank you for your consideration folks. Code: <html xmlns = "http://www.w3.org/1999/xhtml">
<head>
<title>Excercise 8.11</title>
<script type = "text/javascript">
for (var day = 1; day <=5; day++) {
switch (day) {
case 1: document.write("On the "+day+"st of Christmas, my true love gave to me, A partridge in a pear tree.");
case 2: doucment.write("On the "+day+"th day of Christmas, my true love gave to me, Two turtle doves,<br>");
case 3: document.write("On the "+day+"th day of Christmas, my true love gave to me, Three French hens,<br>");
case 4: document.write("On the "+day+"th day of Christmas, my true love gave to me, Four calling birds,<br>");
case 5: document.write("On the "+day+"th day of Christmas, my true love gave to me, Five golden rings,<br>");
break;
}
}
</script>
</head>
<body>
</body>
</html>
Hi my goal was to archive a switch statement in javascript to check the users IE versions. Allowing me to switch my javascript code to which will only work in other versions. Yet I don't know if a switch would be appropriate in this matter. Any tips ore suggestions are more then welcome. Please let me know if a if statement would be better. it involves large javascript code. Code: <script type="text/javascript" language="javascript">
if (/MSIE (\d+\.\d+);/.test(navigator.userAgent))
{
var ieversion = new Number(RegExp.$1);
switch (ieversion)
{
case 8:
document.write("IE 8")
break;
case 5:
document.write("IE 5")
break;
case 6:
document.write("IE 6")
break;
case 7:
document.write("IE 7")
break;
}
}
</script>
Hey everyone, I'm a newbie writing a tic tac toe program using OOP. It was simple setting it up so that a player could click on a box to put an X or an O there, but I've run into serious issues when trying to make it so a player couldn't overwrite the AI's choice and the AI couldn't overwrite the player's. An example of this would be if I made the top right box an X and the AI then made the center box an O, and then I accidentally clicked the center box and made it into an X. I want to prevent that. Every box on the grid is an object with the property of "taken" that helps the program know if a box is empty or not, so as to avert any overwriting in the first place. If the box is empty, this.taken = 0. If the box is filled by a player, taken = 1. If filled by AI, taken = 2. I made it matter whether it was AI or human so later i can check if one of them got tic tac toe. Anyway, by default the constructor class sets this.taken = 0. But the method for checking availability and writing the X or O uses a switch which checks if taken = 0. If it is, it sets taken to either 1 or 2 and writes the necessary symbol. If taken = 1 or 2, it just alerts the player that the spot is taken. But for some reason the switch statement can't tell when taken = anything other than 0. It always executes the code for 0 even though the code for 0 inherently makes it so that taken never equals 0 again, which means case 0 cannot happen anymore. Below is the code with notes. Code: function main(input){//start of main function//
function Click(who, where, what){ //this is the method for checking if it's taken or not and writing the X or O if it isn't//
/*the argument who represents a number. 0 is no one, 1 is human, 2 is AI; where is a string literal
representing the spot on the grid*/
switch(this.taken){
case 0:
this.taken = who;
document.getElementById(where).innerHTML = what;
break;
case 1:
alert("this spot is taken");
break;
case 2:
alert("this spot is taken");
}//end switch
}//end Click
function Box(inputhere){//start of class//
this.taken = 0;
this.pick = Click;
}
//end of Box class//
//object declarations (I cut out most of them and left only the relevant ones//
var topleft = new Box();
var topmid = new Box();
var topright = new Box();
var centerright = new Box();
//end of object declarations//
switch (input){
/*in each .pick(), the first arg is whether or not a player chose it (1 = player did, 2 = comp did).
The second arg is which box and the third is whether to put an X or O. The input variable in the switch statement is an argument passed through main() when the
player clicks on a box. Topleft passes 1.1, topmid passes 1.2 and so on.*/
case 1.1:{
//The first instance of .pick() in each case is what the player did. The second is what the AI will do in repsonse.//
topleft.pick(1, "topleft", "X");
topmid.pick(2, "topmid", "<span>O</span>");
break;
}//end of case 1.1
case 1.3:{
topright.pick(1, "topright", "X");
centerright.pick(2, "centerright", "<span>O</span>");
break;
}//end of case 1.3
}//end of switch
}//end of main//
Is there anyone who has any idea why on earth this is happening? I've been at it for an embarrassing amount of hours. Also, thanks to anyone who even considers helping : ) (feel free to flame me if my code sucks or my post is too long or anything). Hi, I believe this question has been asked by someone else before. However, it seems that the problem wasn't resolved. I'm having some trouble with the Switch Statements. My program runs without it so I know that the problem is here. I believe the logic is sound so it may be due to incorrect syntax. I will appreciate if someone could take a look at my code below and guide me in the right direction. Thank you. The purpose of this function is to create bars, and the length of the bars is determined by the value of the "percent" variable (which is working fine) in the For loop after the Switch statements. The variable, "partyType" contains any of the text strings, such as "I", "D", etc. Code: function createBar(partyType,percent){
var barText;
switch(partyType){
case "D":
barText="<td class='dem'></td>";
break;
case "R":
barText="<td class='rep'></td>";
break;
case "I":
barText="<td class='ind'></td>";
break;
case "G":
barText="<td class='green'></td>";
break;
case "L":
barText="<td class='lib'></td>";
break;
default: document.write("hi");
}
for(var i=1; i<percent; i++){
document.write(barText);
}
}
}
Need to know how to define hex characters for the following; var x = hex value var y new Array(hex value, hex value, etc) document.write(hex value) Working on a simple JS/jQuery-driven game where the user clicks on a cup to see if it is a winner or not. If so, it plays a happy sound; if not, it plays a sad sound. Everything is working great so far, except for the sound. The html is being set correctly when a cup is selected, but Firebug is telling me the sound files are undefined. Same when I enter the function: playSound("[filename].WAV") in the console. Any help or advice is greatly appreciated. Code: var cupRaised = false;
var winningCup;
function determineWinner(raisedCup){
if(raisedCup == winningCup){
playSound("applause.WAV");
} else {
playSound("sad-trombone.WAV");
}
}
function playSound(file){
$('#sound_element').html("<embed src='file/"+file+"' hidden='true' autostart='true' loop='false' />");
}
function raiseCup(num){
if(!cupRaised){
var cur = "#cup" + num.toString();
$(cur).animate({"top": "-=100px"}, "slow");
cupRaised = true;
determineWinner(num);
}
}
I'm installing a Disqus commenting system on a news site. Javascript attaches a comment thread to the end of a story page, based on the story's url. Our issue is that many stories may have multiple urls, and we want a single comment thread on those stories. A single story may have a url like this: www.newspaper.com/ci_12345678 and this: www.newspaper.com/entertainment/ci_12345678 Disqus provides an alternative var disqus_identifier I'd like to define disqus_identifier to the final 8-digit story ID, read from the url. Here's the way the code looks: Code: <div id="disqus_thread"></div>
<script type="text/javascript">
/**
* var disqus_identifier; [Optional but recommended: Define a unique identifier (e.g. post id or slug) for this thread]
*/
(function() {
var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
dsq.src = 'http://newspaper.disqus.com/embed.js';
(document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
})();
</script>
I'm not sure how to define var disqus_identifier. Can anyone help me out?
Hi, I tried displaying few images as MENU using Javascript. These images are showed normally in Firefox and chrome except Internet Explorer. Help plz
Code: function my_fav_quote_show_optin_form() {
if (!empty($_POST['my_fav_quote_email'])) {
my_fav_quote_opt_in();
}
$out2 = '';
$out = '<form action="" name="myform "method="post" id="requestQuote">';
$out .= '<table style="padding="0px" width="40px">';
$out .= '<tr><td>Name:*</td><td><input type="text" name="my_fav_quote_name" id="my_fav_quote_name"/></td></tr>';
$out .= '';
$out .= '<tr><td>Email:*</td><td><input type="text" name="my_fav_quote_email" id="my_fav_quote_email"/></td></tr>';
$out .= '';
$out .= '<tr><td>Phone:*</td><td><input type="text" name="my_fav_quote_phone" id="my_fav_quote_phone"/></td></tr>';
$out .= '';
$out .= '<tr><td>Event Date(optional):</td><td><input type="text" name="my_fav_quote_date" id="my_fav_quote_date"/></td></tr>';
$out .= '';
$out .= '<tr><td>Estimated Number of Guests(optional):</td><td><input type="text" name="my_fav_quote_guest" id="my_fav_quote_guest"/></td></tr>';
$out .= '';
$out .= '<tr><td>Desired Price Range Per Person (optional):</td><td><input type="text" name="my_fav_quote_rate" id="my_fav_quote_rate"/></td></tr>';
$out .= '';
$out .= '<tr><td style="vertical-align: middle;">Message:<br>(List your special requests, any food allergies , event description , special menu items that are not listed or any other information you think will helpful) </td><td><textarea placeholder="" name="my_fav_quote_message" id="my_fav_quote_message"></textarea></td></tr>';
$out .= '';
$out .= '<tr><td>Security code:*</td><td><img src='.get_bloginfo('wpurl').'/wp-content/plugins/quote-cart/captcha.php?width=60&height=30&characters=5" /></td></tr>';
$out .= '';
$out .= '<tr><td>Input Above Security Code He *</td><td><input type="text" name="security_code" id="security_code" size="5"></td></tr>';
$out .= '';
$out .='<tr><td colspan="2">';
if ( function_exists( 'my_fav_quote_display' ) ){
$out .= my_fav_quote_display();
}
if ( function_exists( 'my_fav_quote_display3' ) ){
$out .= my_fav_quote_display3();
}
$out .='</td></tr>';
$out .= '<tr><td colspan=2 align=center><input type="submit" value="Request Quote" onclick="return chk_validation()" style="background-color:#000;color:#FFF;padding:5px;margin-top:10px;border:none;cursor:pointer;"/>
<input type="button" onclick="formReset()" value="Reset form" />
</td></tr>';
$out .='</table></form>';
echo $out;
?>
<script language="javascript" type="text/javascript">
//<![CDATA[
function validate_email(field,alerttxt)
{
apos=field.indexOf("@");
// alert(apos);
dotpos=field.lastIndexOf(".");
//alert(dotpos);
if (apos<1||dotpos-apos<2)
{ return false;}
else {return true;}
}
function chk_validation()
{
if(document.getElementById("my_fav_quote_name") && document.getElementById("my_fav_quote_name").value == '')
{
alert("Please Enter Name");
document.getElementById("my_fav_quote_name").focus();
return false;
}
if(document.getElementById("my_fav_quote_email").value == '')
{
alert("Please Enter Email");
document.getElementById("my_fav_quote_email").focus();
return false;
}
else
{
//alert(validate_email(document.getElementById("my_fav_quote_email").value,"Not a valid e-mail address!");
if (validate_email(document.getElementById("my_fav_quote_email").value,"Please enter valid e-mail address!")==false) {
alert("Please enter valid e-mail address!");
document.getElementById("my_fav_quote_email").focus();
return false;
}
}
if(document.getElementById("security_code").value == '')
{
alert("Please Enter Security Code");
document.getElementById("security_code").focus();
return false;
}
if(document.getElementById("quotes").value == '')
{
alert("Please add atleast one request quote");
document.getElementById("quotes").focus();
return false;
}
//return true;
}
//]]>
</script>
<?php
}
can we reset the display functions data when we click on reset button? Can anyonle pls explain me why the return function is not returning the result as intended? I appreciate you help OUTPUT ====== Student : Doe,John eMail : johndoe@gmail.com Course ID : COIN-070B.01 -------------------------------- function task() { var title = ["Assignment1", "Assignment2", "Assignment3", "Assignment4", "Assignment5", "Mid Term", "Finals"]; var points = [30, 30, 28, 27, 29, 41, 45]; for (var i = 0; i < points.length; i++) { titlePoints += title[i] + (" : " + points[i] + "\n"); } return titlePoints; } Code: <head>
<title>Variable - Examples 1</title>
<script type="text/javascript">
function Student(firstName, lastName, email,courseID){
this.firstName = firstName;
this.lastName = lastName;
this.email = email;
this.courseID = courseID;
this.assignments = task;
}
Student.prototype = {
constructor : Student,
toString : studentInfo
};
function task(){
var title = ["Assignment1","Assignment2","Assignment3","Assignment4","Assignment5","Mid Term", "Finals"]
var points = [30, 30, 28, 27, 29,41,45];
var titlePoints = "";
for (var i=0; i < points.length; i++){
titlePoints += title[i] + " : " + points[i] + "\n";
}
return titlePoints;
}
function studentInfo(){
return "Student : " + this.lastName + "," + this.firstName + "<br>"+ "eMail : " + this.email + "<br>" + "Course ID : " + this.courseID + "<br>" + "--------------------------------" + "<br>" + this.assignments;
}
var student = new Student("John", "Doe", "johndoe@gmail.com","COIN-070B.01");
</script>
</head>
<body>
<script type="text/javascript">
document.writeln(student.toString());
</script>
</body>
</html>
Hello. I have a <div> html element which contains other html tags, as well as plain text inside those tags. How do I grab only the content within the div that will actually be displayed in the browser, and put it in a Javascript string variable? Thanks in advance. Hello everyone! Hi, I am a complete beginner at Javascript(started a few days ago) and was having trouble with some functions. I'm trying to get the inputs required to change based on an option selected in a drop down menu. I was intending to run different scripts based on whatever is chosen but when I ran a test using an alert function, I realized my code isn't working. I went online and found really confusing stuff like "running a for loop through an array to make a dynamic select feature". Still confused any help would be appreciated. My code thus far: Code: <html>
<head>
<title>Practice</title>
<script language="javascript">
function myScript()
{
var loanType = document.form1.loan.options.text
if (loanType == "Bank A")
{
alert("Working")
}
}
</script>
</head>
<body>
<form name="form1">
<select id="loan" name="loan" onchange="myScript">
<option></option>
<option>Bank A</option>
<Option>Bank B</Option>
</select>
</form>
</body>
</html>
Reply With Quote 01-29-2015, 12:02 PM #2 vwphillips View Profile View Forum Posts Visit Homepage Senior Coder Join Date Mar 2005 Location Portsmouth UK Posts 4,540 Thanks 3 Thanked 513 Times in 500 Posts Code: <html>
<head>
<title>Practice</title>
<script language="javascript">
function myScript()
{
var s=document.form1.loan,loanType = s.options[s.selectedIndex].text
if (loanType == "Bank A")
{
alert("Working")
}
}
</script>
</head>
<body>
<form name="form1">
<select id="loan" name="loan" onchange="myScript();">
<option></option>
<option>Bank A</option>
<Option>Bank B</Option>
</select>
</form>
</body>
</html>
or better Code: <html>
<head>
<title>Practice</title>
<script language="javascript">
function myScript(s)
{
if (s.value == "Bank A")
{
alert("Working")
}
}
</script>
</head>
<body>
<form name="form1">
<select id="loan" name="loan" onchange="myScript(this);">
<option></option>
<option value="Bank A" >Bank A</option>
<Option value="Bank B">Bank B</Option>
</select>
</form>
</body>
</html>
I need a java script code that can be installed in to my chrome (plugin) but all it will do is. Code: If (code) is display quite current tab. else if code isnt displayed leave tab open. The code would the zip code that is filled in on a page like this. http://www.locationary.com/place/en/...1023990998.jsp to see the code properly you need to sign in to the site (free sign up takes like 2 seconds) so if zip code is filled in then quit tab please any help on this would be great Hi, I am a complete beginner at Javascript(started a few days ago) and was having trouble with some functions. I'm trying to get the inputs required to change based on an option selected in a drop down menu. I was intending to run different scripts based on whatever is chosen but when I ran a test using an alert function, I realized my code isn't working. I went online and found really confusing stuff like "running a for loop through an array to make a dynamic select feature". Still confused any help would be appreciated. My code thus far: <html> <head> <title>Practice</title> <script language="javascript"> function myScript() { var loanType = document.form1.loan.options.text if (loanType == "Bank A") { alert("Working") } } </script> </head> <body> <form name="form1"> <select id="loan" name="loan" onchange="myScript"> <option></option> <option>Bank A</option> <Option>Bank B</Option> </select> </form> </body> </html> Reply With Quote 01-08-2015, 10:52 AM #2 Primus View Profile View Forum Posts New Coder Join Date Oct 2014 Posts 92 Thanks 0 Thanked 14 Times in 14 Posts Code: <script>
function myScript()
{
var selectedIndex = document.form1.elements.loan.options.selectedIndex; // returns 0-2 in this case
var loanType = document.form1.elements.loan.options[selectedIndex].value; // returns the value of the selected item
if (loanType == "Bank A")
{
alert("Working")
}
}
</script>
<form name="form1">
<select id="loan" name="loan" onchange="myScript()">
<option></option>
<option>Bank A</option>
<option>Bank B</option>
</select>
</form>
Maybe not the best way, but it does the trick. Reply With Quote 01-08-2015, 11:43 AM #3 Philip M View Profile View Forum Posts Supreme Master coder! Join Date Jun 2002 Location London, England Posts 18,371 Thanks 204 Thanked 2,573 Times in 2,551 Posts You have quite a lot of obsolete code:- 1) It is obsolete to assign a name to a form and permitted only for the sake of backwards compatibility. 2) <script language=javascript> is long deprecated and obsolete. Use <script type = "text/javascript"> instead (in fact also deprecated but still necessary for IE<9). 3) Scripts should normally be placed right in front of the </body> tag. Any script can optionally go in the head if you wrap it inside a load event listener so that it can't run before the page loads. 4) Use the value of a select box option, not the text. 5) It is recommended that you place the opening brace following the function, if, else, for, while, do, switch, and try statements on the same line and not on the following line. Apart from that every Javascript statement should be followed by a semi-colon (;). It is quite possible to disregard this advice, but if you do one day it will rise up and bite you in the undercarriage. Code: <html>
<head>
<title>Practice</title>
</head>
<body>
<form>
<select id="loan" name="loan" onchange="myScript()">
<option value = "">Chosoe...</option>
<option value = "Bank A">Bank A</option>
<Option value = "Bank B">Bank B</Option>
</select>
</form>
<script type = "text/javascript">
function myScript() {
var loanType = document.getElementById("loan").value;
if (loanType == "Bank A") {
alert("Working")
}
}
</script>
</body>
</html>
If you really want to use the option text ... Code: <html>
<head>
<title>Practice</title>
</head>
<body>
<form>
<select id="loan" name="loan" onchange="myScript(this)">
<option value = "">Choose...</option>
<option value = "Bank A">Bank A</option>
<Option value = "Bank B">Bank B</Option>
</select>
</form>
<script type = "text/javascript">
function myScript(element) {
var loanType = element.options[ element.selectedIndex ].text;
if (loanType == "Bank A") {
alert("Working")
}
}
</script>
</body>
</html>
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