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JavaScript - Validate Uk Phone Number With Reg Exp
Arrrgggghhhhhhhhh - help.... - LOL
Now I've got that over with, hope someone can help. Am just learning regular expressions and am trying to validate UK format telephone numbers (have had an extensive look on the web and only examples I can find are US tests). Anyway, I want to learn to do it myself. UK phone number rules a Must start with a 0 in position 1 Next 2 to 4 characters must be a number Next character can be a space or a dash Next 6 to 9 characters can be a number, space or dash only Anyway, as I say, am new to regular expressions and trying to learn so I tried to write the expression to fit the rules above - see below: Code: ^[0]{1}\d{2,4}\s|-{1}\d|\s|-{6,9}$
My logic (for what it's worth - LOL) tells me this should work, but it doesn't - it accepts letters as well - which I really don't understand yet. Anyway - hope someone can help. Thanks Dominic Similar TutorialsGood Afternoon All, I am slowly learning how to validate forms and the next topic I'm learning is the phone feature! My code isn't working and not sure why! I read other opinions and tried to follow some templates but again.. Nothing is working out for me.. Here is the code function validatePhone(fld) { var stripped = document.validatePhone.phoneNumber(/[\(\)\.\-\ ]/g, ''); if (document.validatePhone.phoneNmbr == "") { alert("Do not leave this field blank"); } else if (isNaN(parseInt(stripped))) { alert("Only enter numerical digits only"); } else if (!(stripped.length == 10)) { alert("No More or Less than 10 Digits"); } return error; } <body> <form name="validatePhone" action="" method="get"><br /> <br /> <input type="text" name="phoneNumber" value="" onClick="return validatePhone(fld)"> <br /> <br /> <input type="button" name="button" value="Validate Phone Number" > </form> </body> </html> If you have any suggestions or can provide links of how I can 1-Provide an alert if the field is blank 2-Provide an alert if non numerical digits are entered 3-Provide an alert if more than 10 digits are entered I think I am on the right track but need more of a push.. I'm not seeking a solution, just information to get me on that right track as I am extremely confused. Also.. I feel like I should be using a isDigit function? This is what I have so far, it is a template I copied from my working E-mail validation. I'm assuming I have to make it so it's just an array of numbers but I really don't know Java too well. Essentially I just want numbers only to be accepted into the phone field. Code: else if(fieldType == 'phone')
{
if((required == 1 && fieldObj.value=='') || (fieldObj.value!='' && !validate_phone(fieldObj.value)))
{
fieldObj.setAttribute("class","mainFormError");
fieldObj.setAttribute("className","mainFormError");
fieldObj.focus();
return false;
}
}
function validate_phone(phoneStr)
{
apos=phoneStr.indexOf("@");
if (apos<1||dotpos-apos<2)
{
return false;
}
else
{
return true;
}
}
I am trying to validate textboxes on my form. I got everything but phone number. I have three different textboxes. One for area, one for first three, and last one for last 4numbers. everything just need to be digit numbers I guess. What is REGEX expression should be for those three different area?
Hi there, I need to validate three textboxes and it will validate for numbers. How should I change my code to validate three textboxes? Code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Untitled Page</title>
<script type='text/javascript' language="javascript">
var validPhoneChar = "+";
// Minimum no of digits in an international phone no.
var minDigitsInPhoneNumber = 10;
function isInteger(s)
{
var i;
for (i = 0; i < s.length; i++)
{
// Check that current character is a number.
var c = s.charAt(i);
if (((c < "0") || (c > "9")))
return false;
}
// All characters are numbers.
return true;
}
function stripCharsInBag(s, bag)
{
var i;
var returnString = "";
// Search through string's characters one by one.
// If character is not in bag, append to returnString.
for (i = 0; i < s.length; i++)
{
// Check that current character isn't whitespace.
var c = s.charAt(i);
if (bag.indexOf(c) == -1) returnString += c;
}
return returnString;
}
function checkRequirements(strPhone)
{
if(strPhone.indexOf("+") > 1)
return false;
s = stripCharsInBag(strPhone,validPhoneChar);
return (isInteger(s) && s.length >= minDigitsInPhoneNumber);
}
function ValidateForm()
{
var Phone = document.getElementById("Text1");
//var Phone1 = document.getElementById("Text23");
if ((Phone.value == null)||(Phone.value == "")) //if match failed
{
alert("Please Enter your Phone Number.");
Phone.focus();
return false;
}
/*if ((Phone1.value == null)||(Phone1.value == "")) //if match failed
{
alert("Please Enter your Phone Number0.");
Phone.focus();
return false;
}*/
if (checkRequirements(Phone.value) == false)
{
alert("Please Enter a Valid Phone Number.");
Phone.value = "";
Phone.focus();
return false;
}
else
alert("YAY!");
return true;
}
function NotAllowSpace()
{
// Get the ASCII value of the key that the user entered
var key = window.event.keyCode;
// Verify if the key entered was a Space
if ( key == 32 )
{
// If it was, then dispose the key and continue with entry
window.event.returnValue = null;
alert("Invalid,Please check")
}
else
// If it was not, then allow the entry to continue
return;
}
</script>
</head>
<body>
<label>Office Telephone:</label>
<input id="Text1" type="text" onkeydown = "return (event.keyCode != 32)"/><br />
<input id="Button1" type="button" value="button" onclick="return ValidateForm();" /><br />
</body>
</html>
I need to use Javascript to validate 3 textboxes, whereby the users can only key in numbers (because they are phone numbers related fields). If any of the textbox is empty, display an alert message to show which textbox is empty. I do not want to show many alert messages to show that, for example, text1 and text2 are empty, it will show two alert messages. I would need to show one "summarized" alert message instead. Next, check if the textbox matches the pattern (which is to check if it has the skeleton of a phone number). If it is, show an alert message that it is alright. Else, show that it does not match. Need Phone Number Validation for my JavaScript, i can't work it out It currently has E-mail, Surname, Address and Name validation, This is my code at the moment: Code: <script language="JavaScript">
function echeck(str) {
var at="@"
var dot="."
var lat=str.indexOf(at)
var lstr=str.length
var ldot=str.indexOf(dot)
if (str.indexOf(at)==-1){
alert("Please Enter a Valid E-mail")
return false
}
if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
alert("Please Enter a Valid E-mail")
return false
}
if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
alert("Please Enter a Valid E-mail")
return false
}
if (str.indexOf(at,(lat+1))!=-1){
alert("Please Enter a Valid E-mail")
return false
}
if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
alert("Please Enter a Valid E-mail")
return false
}
if (str.indexOf(dot,(lat+2))==-1){
alert("Please Enter a Valid E-mail")
return false
}
if (str.indexOf(" ")!=-1){
alert("Please Enter a Valid E-mail")
return false
}
return true
}
function validate_required(field,alerttxt)
{
with (field)
{
if (value==null||value=="")
{
alert(alerttxt);return false;
}
else
{
return true;
}
}
}
function validate_form(thisform)
{
with (thisform)
{
if (validate_required(Name,"Name must be filled out!")==false)
{Name.focus();return false;}
if (validate_required(Surname,"Surname must be filled out!")==false)
{Surname.focus();return false;}
if (validate_required(Country,"Address must be filled out!")==false)
{Country.focus();return false;}
}
{
var emailID=document.submitting.email
if ((emailID.value==null)||(emailID.value=="")){
alert("Please Enter a Valid E-mail")
emailID.focus()
return false
}
if (echeck(emailID.value)==false){
emailID.value=""
emailID.focus()
return false
}
return true
}
}
function verifyEmail(form) {
checkEmail = form.email.value
if ((checkEmail.indexOf('@') < 0) || ((checkEmail.charAt(checkEmail.length-4) != '.') && (checkEmail.charAt(checkEmail.length-3) != '.')))
{alert("You have entered an invalid email address. Please try again.");
form.email.select();
return false;
}
else {
form.method="get";
form.rel="nofollow" target="_self";
form.action="myscript.cgi";
form.submit();
}
}
</script>
Code: <form action="submit.htm" onsubmit="return validate_form(this)" method="post" name="submitting">
<span class="style5">Select Plant:
<form id="form1" name="form1" method="post" action="">
<label>
<select name="Item" id="Item">
<option>OMGwoopwoop Plant</option>
<option>I'm Blue Plant </option>
<option>Anonymous Plant</option>
<option>Rawr Plant</option>
<option>Chicka Plant </option>
<option>Fruitopola Plant</option>
<option>Whitoe Plant</option>
<option>Wukidoo Plant </option>
</select>
</label>
</p>
<p>Name:<span class="style1">
<input type="text" name="Name" size="30">
<br>
<br>
</span>Surname:
<span class="style1">
<input type="text" name="Surname" size="30">
<br>
<br>
</span>Address:<span class="style1">
<input type="text" name="Country" size="30">
<br>
<br>
</span>Email:<span class="style1">
<input type="text" name="email" size="30">
<br></span></p>
Phone Number:<span class="style1">
<input type="text" name="phone" size="30">
<form action="submit.htm" onSubmit="return validate_form(this)" method="post">
<input type="submit" value="Submit">
</form>
Just wondering what the code is for a phone number to be displayed nn-nnnnnnnn for example: 67 43289482 current code is Code: var pn = document.contact_form.phonenum.value;
if ((pn.length != 10) || (/[^0-9]/g.test(pn))) { // 10-digit phone number
alert ( "Please fill in your 10-digit telephone number" );
return false;
}
I would like to use Javascript to format a UK telephone number to this layout: 00000 000000, preferably as the user enters it in the form. I am using Actinic's ecommerce system, and have already used the code in this link to format the postcode. http://community.actinic.com/showthread.php?t=45487 I have found the code here http://javascript.internet.com/forms...ne-number.html but it is for American telephone formats, and seems far too complicated! Has anyone come across any code that will do this for UK phone numbers? It would need to remove all white space, and then insert a space after 5 numbers. I am not bothered about validation checks etc. Thanks for your help i see alot of forms where the phone number field is split into 3 boxes and you can type smoothly from the first box to the last....here is the beginning code i have now for my form Code: <form id="contactform" action="contact-submit.php" method="post"> <!-- form fields --> <div class="form"> <label for="name">Name<em>•</em></label> <input class="textbox required" type="text" name="name" id="name" /><br /> <label for="email">E-Mail<em>•</em></label> <input class="textbox required email" type="text" name="email" id="email" /><br /> how do i add a phone number field in there that has 3 connected fields? I have a phone number field on my form that needs validation, but I'm not sure how to code this. I have the following function to validate a first name is entered and last name. The phone number field must match a 7 digit or 10 digit(with area code)phone number. I want to be able to include paranthese and/or hyphens for the valid phone number. function checkForm1() { if (document.forms[0].firstname.value.length == 0) { alert("You must put in a first name"); return false; } else if (document.forms[0].lastname.value.length == 0) { alert("You must put in a last name"); return false; } Hello guys, this is my first post here, im a newbie in javascript and i need to limit a textbox to only be 1 or 0, I dont want to use a checkbox because i would like the users to really be typing. heres what i got: Code: <input name="test" type="text" onchange="validaten(this.value)" size="15" />
<script type="text/javascript">
function validaten(test)
{
if (test != 0);
alert("Only 1 and 0 are allowed");
}
</script>
Can you please help me? Hi there, I would like to allow the "+" sign in my 3 textboxes. When the user does not put the "+" sign in the textboxes, and it is being validated, the system will allow it to pass. Also, it must check that it has at least 8 digits. Code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Untitled Page</title>
<link rel="stylesheet" type="text/css" href="CSS files/specialAlignment.css" />
<link rel="stylesheet" type="text/css" href="CSS files/externalCSS.css"/>
<script language = "javascript" type = "text/javascript">
function check()
{
var fields = new Array("Office Telephone", "Mobile Telephone","Fax Number");
var telnr = /(^[\+]?[\d]{8,20}$)/;
var index = new Array();
for(var i = 0; i < fields.length; i++)
{
var arrayFields = document.getElementsByName(fields[i]);
for(var j = 0; j < arrayFields.length; j++)
if(!(arrayFields[j].value) == "")
{
arrayFields[j].className = "defaultColor";
}
else
{
arrayFields[j].className ="changeToRed";
index.push(fields[i]);
}
}
if(index != 0)
{
joinComma = index.join(', ');
alert('The field(s) corresponding to '+ joinComma + ' is/are not filled in.');
}
}
function noSpace(e, dec)
{
var key;
var keychar;
if (window.event)
{
key = window.event.keyCode;
}
else if (e)
{
key = e.which;
}
else
{
return true;
}
keychar = String.fromCharCode(key);
if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) /*|| (key==107)*/)
{
return true;
}
else if ((("0123456789").indexOf(keychar) > -1)&& check(telnr.test(tfld)))
{
return true;
}
else if (dec && (keychar == "."))
{
return true;
}
else
return false;
}
</script>
</head>
<body>
<label>
*Office Telephone:</label>
<input id="Text16" type="text" name="Office Telephone" onkeydown="return noSpace(event)" />
<br />
<br />
<label>
*Mobile Telephone:</label>
<input id="Text17" type="text" name="Mobile Telephone" onkeydown="return noSpace(event)" /><br />
<br />
<label>
*Fax Number:</label>
<input id="Text18" type="text" name="Fax Number" onkeydown="return noSpace(event)" />
<br />
<br />
<input id="Submit17" type="submit" value="Submit" onclick="return check()"/>
</body>
</html>
Hello all, I have a form that submits a POST request when data is submitted. A Servlet then processes this POST request and a JavaBean is used to make some calculations. The HTML response is not generated within the Servlet but instead I forward the request to a JSP to generate the response. - This all works fine, thankfully. However, I am stupidly suck trying to validate the form on the client side with a JavaScript function before the form is submitted. Here is my index.jps: Code: <%--
Document : index
Created on : 19-Nov-2009, 13:41:30
Author : lk00043
--%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script type="text/JavaScript">
<!-- Start hiding JavaScript Statements
function validateForm() {
var student;
var score1, score2, score3, score4;
student = document.getElementById('student');
s1 = document.getElementById('score1');
s2 = document.getElementById('score2');
s3 = document.getElementById('score3');
s4 = document.getElementById('score4');
score1 = parseInt(s1.value);
score2 = parseInt(s2.value);
score3 = parseInt(s3.value);
score4 = parseInt(s4.value);
if(student.value.length == 0) {
document.getElementById('StudentError1').innerHTML = " Enter a student name!";
return false;
}
if ((isNaN(score1)) || (score1 < 0) || (score1 > 100)) {
document.getElementById('Error1').innerHTML = " Enter a number between 0 and 100!";
return false;
}
if ((isNaN(score2)) || (score2 < 0) || (score2 > 100)) {
document.getElementById('Error2').innerHTML = " Enter a number between 0 and 100!";
return false;
}
if ((isNaN(score3)) || (score3 < 0) || (score3 > 100)) {
document.getElementById('Error3').innerHTML = " Enter a number between 0 and 100!";
return false;
}
if ((isNaN(score4)) || (score4 < 0) || (score4 > 100)) {
document.getElementById('Error4').innerHTML = " Enter a number between 0 and 100!";
return false;
}
}
// End hiding JavaScript Statements -->
</script>
<title>Lab Class 7 - Task 2</title>
</head>
<body>
<h1>Lab Class 7</h1>
<form name="collectgrades" action="AssessGrades" method="POST" onSubmit="validateForm()" >
Name of Student: <input type="text" name="student" id="student"/><span id="StudentError1"> </span><br />
Presentation: <input type="text" name="score" id="score1"/><span id="Error1"> </span><br />
Writing style: <input type="text" name="score" id="score2"/><span id="Error2"> </span><br />
Technical content: <input type="text" name="score" id="score3"/><span id="Error3"> </span><br />
Depth of analysis: <input type="text" name="score" id="score4"/><span id="Error4"> </span><br />
Feedback:<select name="feedback" size="4" multiple="multiple">
<option>"Could be better structured."</option>
<option>"Depth of analysis is good."</option>
<option>"Very advanced material."</option>
<option>"Very well structured."</option>
</select><br />
<input type="submit" value="Submit" />
</form>
</body>
</html>
Regardless of whether incorrect input is given, the data is still POSTed to the server and calculated on or a Server Side error is given. Am I correct in calling the function onClick? The validation essentially needs to be so that: - Student field contains a string - Score1, Score2, Score3 and Score 4 contain a number between 0 and 100 Any help is most appreciated, Cheers, Beetle. I have a function below where every time a question is submitted, it will add a new row in the table with a textbox which allows numbers entry only. My question is that I don't know how to code these features in this function: 1: I want the text box to be between 0 and 100, so if text box contains a number which is above 100, it will automatically change the number to the maximum number which is 100. Does any one know how to code this in my function below in javascript: Code: function insertQuestion(form)
{
var row = document.createElement("tr");
var cell, input;
cell = document.createElement("td");
cell.className = "weight";
input = document.createElement("input");
input.name = "weight_" + qnum;
input.onkeypress = "return isNumberKey(event)";
cell.appendChild(input);
row.appendChild(cell);
}
Hello Everyone! How can I write a string in JavaScript that will accept any phone number. Thanks Hi, I have a form on my website and I want to validate the phone field. I found a good script to do it but I need to combine the script with the other validation that I have on my form. Can you help me add this phone validation script into the other validations that I have so that it is just one javascript? Here is the phone validation script: <script language = "Javascript"> /** * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/) */ // Declaring required variables var digits = "0123456789"; // non-digit characters which are allowed in phone numbers var phoneNumberDelimiters = "()- "; // characters which are allowed in international phone numbers // (a leading + is OK) var validWorldPhoneChars = phoneNumberDelimiters + "+"; // Minimum no of digits in an international phone no. var minDigitsInIPhoneNumber = 10; function isInteger(s) { var i; for (i = 0; i < s.length; i++) { // Check that current character is number. var c = s.charAt(i); if (((c < "0") || (c > "9"))) return false; } // All characters are numbers. return true; } function trim(s) { var i; var returnString = ""; // Search through string's characters one by one. // If character is not a whitespace, append to returnString. for (i = 0; i < s.length; i++) { // Check that current character isn't whitespace. var c = s.charAt(i); if (c != " ") returnString += c; } return returnString; } function stripCharsInBag(s, bag) { var i; var returnString = ""; // Search through string's characters one by one. // If character is not in bag, append to returnString. for (i = 0; i < s.length; i++) { // Check that current character isn't whitespace. var c = s.charAt(i); if (bag.indexOf(c) == -1) returnString += c; } return returnString; } function checkInternationalPhone(strPhone){ var bracket=3 strPhone=trim(strPhone) if(strPhone.indexOf("+")>1) return false if(strPhone.indexOf("-")!=-1)bracket=bracket+1 if(strPhone.indexOf("(")!=-1 && strPhone.indexOf("(")>bracket)return false var brchr=strPhone.indexOf("(") if(strPhone.indexOf("(")!=-1 && strPhone.charAt(brchr+2)!=")")return false if(strPhone.indexOf("(")==-1 && strPhone.indexOf(")")!=-1)return false s=stripCharsInBag(strPhone,validWorldPhoneChars); return (isInteger(s) && s.length >= minDigitsInIPhoneNumber); } function ValidateForm(){ var Phone=document.frmSample.txtPhone if ((Phone.value==null)||(Phone.value=="")){ alert("Please Enter your Phone Number") Phone.focus() return false } if (checkInternationalPhone(Phone.value)==false){ alert("Please Enter a Valid Phone Number") Phone.value="" Phone.focus() return false } return true } </script> Here are the validations for the other fields: <script type="text/JavaScript"> function validate_form(){ err = 'The following fields are not correct filled:\n'; if (document.form1.name.value == ''){ err += 'No First Name.\n'; } if (document.form1.from.value == ''){ err += 'No Email Address.\n'; } if (document.form1.elements['custom State'].value == ''){ err += 'No State.\n'; } if (document.form1.elements['custom Phone'].value == ''){ err += 'No Phone.\n'; } if (emailCheck(document.form1.from.value) == false){ err += 'No Valid email.\n'; } if (document.form1.terms.checked != true){ err += 'You did not agree with the terms.\n'; } if (err != 'The following fields are not correct filled:\n'){ alert (err); return false; } else{ return true; } } var str_vars = ''; function all_fields(){ str_vars = ''; el = document.form1; for (var i = 0; i < el.elements.length; i++) { if (el.elements[i].value != '') str_vars += el.elements[i].name+'='+el.elements[i].value+'&'; } str_vars = str_vars.substr(0,str_vars.length-15);; } </script> Thank you, Leroy I need someone to point me in the right direction... I have been tasked with creating a phone directory at work. I found an example that kind of works for what I need he http://www.mollerus.net/development/..._directory.cfm But we have a larger number of employees and I need to be able to sort the directory by first name, last name, or department. Can anyone show me where to go? Is there a download somewhere? I'll post the code below of what we're currently using. It is functional, but not pretty by any means, and needs altered to produce what we need. I don't know JavaScript, this is something I found a couple years ago that suited our purpose, but now it doesn't anymore. The Script: Code: function setUp(info) {
var v = document.getElementById('phonesearch').selectedIndex.toString();
var ln, fn, ext;
var arr = new Array();
var sel = document.getElementById('phonelist');
for (var i = sel.options.length-1; i >= 0 ; i--) { sel.options[i] = null; }
for(i = 0; i < phonelist.length; i++ ) {
fn = phonelist[i][0];
ln = phonelist[i][1];
ext= phonelist[i][2];
switch (v) {
// case "1" : zo = ln+', '+fn; zv = zo +' : '+ext; break;
case "2" : zo = fn+' '+ln; zv = zo +' : '+ext; break;
case "3" : zo = ext+' : '+ln+', '+fn; zv = zo; break;
default: zo = ln+', '+fn; zv = zo +' : '+ext; break;
}
if (info != '') {
if (zo.toUpperCase().indexOf(info.toUpperCase(),0) == 0) { arr.push(zo+'||'+zv); }
} else { arr.push(zo+'||'+zv); }
}
arr.sort(); // Like the original order, comment out this line!
var z = [];
for (i=0; i<arr.length; i++) {
z = arr[i].split('||');
sel.options[i] = new Option(z[0],z[1],false,false);
}
var z = 13; if (phonelist.length < z) { z = phonelist.length; }
sel.size = z;
if (info == '') { sel.focus(); }
}
The Form Code: <form name="menuform" onSubmit="return false">
<p class="style1">Select to search by first name, last name, or extension. Then click in the text box on the bottom and type in the first few letters of who/what it is you're looking for.</p>
<p class="style1">Then, simply click the entry you need.</p>
<select id="phonesearch" onchange="setUp('')" size="4">
<option value=""><i>Choose one</i></option>
<option value="1">Last name</option>
<option value="2" selected>First name</option>
<option value="3">Extension</option>
</select>
<br /><br />
<select id="phonelist" onclick="alert(this.value)"></select>
<br /><br />
<input type="text" id="srch" value="" onkeyup="setUp(this.value)" size="20">
<br /><a href="#"
onclick="sel=document.getElementById('srch');sel.value='';setUp('');sel.focus()">Search Clear</a>
</form>
Hi everyone, Is it possible to determine at the startup of the page if the visitor is using a computer or a phone to access the site? I would like to make the intro process much better than a simple "click here for HTML version or click here for Flash version". I would like for it to simply redirect to the page I set it to go to depending on whether or not they're using a regular browser or a mobile browser. How would I go about this? Thank you all very much in advance. I am trying to figure out how to make a random number I can plug into a script count down from that number at certain times of the day until it reaches 0. I would like it to reset itself at midnight every day. I'm trying to make it work with a script I found on here that resets itself at midnight every day. So instead of it counting down too fast, it would count down to the next number after a randomly generated number of minutes until it reaches 0. But it wouldn't necessarily have to end at 0 at midnight. It could go from 845 to 323 at the end of the day at a slower pace. Is that possible?
When I used toFixed() method on a number, I thought that this method round a number to a specified approximation, but I got a surprising result, the number became string! 15.23689 .toFixed ( 2 ) ==> "15.24" So does it convert the number into string? |
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