Javascript Programming Examples

Online Javascript Editor

javascript

<!DOCTYPE html>
<html>
<title>Web Page Design</title>
<head>
<script type="text/javascript">
var today = new Date();
var UpgradeDay = new Date("October 23, 2017");
var msPerDay = 24 * 60 * 60 * 1000;
var timeLeft = (UpgradeDay.getTime() - today.getTime());
var days = timeLeft / msPerDay;
var daysLeft = Math.floor(days);
document.write("There are only<BR> <H4>" + daysLeft + " days </H4> Until Your Computer Upgrade<P>");

</script>
</head>
<body>
</body>
</html>

Online Javascript Editor

javascript

<!DOCTYPE html>
<html>
<body>

<script type="text/javascript">

var today = new Date ();

var UpgradeDay = new Date ("February 19, 2015");
var msPerDay = 24 * 60 * 60 * 1000;
var timeLeft = (UpgradeDay.getTime() -today.getTime());
var days = timeLeft / msPerDay;
var daysLeft = Math.floor (days);

document.write("There are only<BR> <H4>" + daysLeft + " days </H4> Until Your Computer Upgrade<P>");

</script>
</body>
</html>

group 5

javascript

<!DOCTYPE html>
<html>
<body>
 <script type="text/javascript">
var today = new Date();
var UpgradeDay = new Date("October 27, 2017");
var msPerDay = 24 * 60 * 60 * 1000;
var timeLeft = (UpgradeDay.getTime() - today.getTime());
var days = timeLeft / msPerDay;
var daysLeft = Math.floor(days);
document.write("There are only<BR> <H4>" + daysLeft + " days </H4> Until the Operating System Upgrade<p>")
document.write("Please note your upgrade date is<H4> October 27, 2017</H4>")
document.write("Please leave all computers on. <br> <br>Thank You")
</script>
</body>
</html>

group 3

javascript

<!DOCTYPE html>
<html>
<body>
 <script type="text/javascript">
var today = new Date();
var UpgradeDay = new Date("October 21, 2017");
var msPerDay = 24 * 60 * 60 * 1000;
var timeLeft = (UpgradeDay.getTime() - today.getTime());
var days = timeLeft / msPerDay;
var daysLeft = Math.floor(days);
document.write("Group 3 there are only<BR> <H4>" + daysLeft + " days </H4> Until the operating system will be Upgraded<br><p>") 
document.write("Your upgrade date is<H4>October 21,2017</H4>")
document.write("Please leave all computers on. <br> <br>Thank You")
</script>
</body>
</html>

Elham Jabarkhail

javascript

<!DOCTYPE html>
<html>
<title>Web Page Design</title>
<head>
<script>
function sayHello() {
   document.write("Hello, Coding Ground!");
}
sayHello();
</script>
</head>
<body>
</body>
</html>

Online Javascript Editor

javascript

<!DOCTYPE html>
<html>
<title>Web Page Design</title>
<head>
<script>

function map(Handler, List)
{
    for(var x in List)
        Handler(x)
}

function log(Str) {
   document.write(Str + "<br></br>");
}
function isArray(arr){
    return typeof arr == "object" && arr.constructor == Array;
}

log("Hello JavaScript");
let intT = typeof(100);
let stringT = typeof("aaaa");
let booleanT = typeof(true);
let nullT = typeof(null);
let undefinedT = typeof(undefined);
var nanObj;

let o = new Object();
let b = {} instanceof Object;
let f = function(){};

// "number"，"string"，"boolean"，"object"，"function"，"undefined"
log( typeof("aaaa") == "string" )
log( {} instanceof Object )
log( undefined === nanObj)
log( isArray([]))
log( typeof(f))

log( "end " )

map(function(x){log( 'in map ' + x);}, [1,2,3]);

</script>
</head>
<body>
</body>
</html>

Milestone 1

javascript

<!DOCTYPE html>
<html>
<title>Web Page Design</title>
<head>
<script>
function sayHello() {
   document.write("Hello, Coding Ground!");
}
sayHello();
</script>
</head>
<body>
</body>
</html>

Employee_System_Upgrade

javascript

<!DOCTYPE html> <html> <body> 
<H1>Important: Operating System Update Notification</H1>
<p>Dear employees, please note that an important operating system upgrade is scheduled for the office location groups provided below. Computers in each group will be upgraded in the number of days specified below starting with Group 1 and ending with Group 5.</p>

<script type="text/javascript"> 
 
var today = new Date();     
 
var UpgradeDay = new Date("September 16, 2017"); 
var msPerDay = 24 * 60 * 60 * 1000; 
var timeLeft = (UpgradeDay.getTime() - today.getTime()); 
var days = timeLeft / msPerDay; 
var G1daysLeft = (Math.floor(days) + 30);
var G2daysLeft = (G1daysLeft + 2);
var G3daysLeft = (G1daysLeft + 5);
var G4daysLeft = (G1daysLeft + 8);
var G5daysLeft = (G1daysLeft + 10);
 
document.write("<u>Group 1: San Jose Offices</u><ul><li><b>" + G1daysLeft + " days </b> Remaining Until Your Computer Upgrade!</li></ul>");
document.write("<u>Group 2: San Antonio Offices</u><ul><li><b>" + G2daysLeft + " days </b> Remaining Until Your Computer Upgrade!</li></ul>");
document.write("<u>Group 3: Seattle Offices</u><ul><li><b>" + G3daysLeft + " days </b> Remaining Until Your Computer Upgrade!</li></ul>");
document.write("<u>Group 4: New York City Offices</u><ul><li><b>" + G4daysLeft + " days </b> Remaining Until Your Computer Upgrade!</li></ul>");
document.write("<u>Group 5: Columbus Offices</u><ul><li><b>" + G5daysLeft + " days </b> Remaining Until Your Computer Upgrade!</li></ul>");

</script> </body> </html>

Online Javascript Editor

javascript

<!DOCTYPE html> 
<html> 
<body> 
<script type="text/javascript"> 
var today = new Date(); 

//Group 1 Code
var UpgradeDay = new Date("October 19, 2017"); 
var msPerDay = 24 * 60 * 60 * 1000; 
var timeLeft = (UpgradeDay.getTime() - today.getTime()); 
var days = timeLeft / msPerDay; 
var daysLeft = Math.floor(days); 
document.write("<H2>Group 1</H2>There are only<BR> <H4>" + daysLeft + " days </H4> Until Your Computer Upgrade on " + UpgradeDay); 

//Group 2 Code
var UpgradeDay = new Date("October 21, 2017"); 
var msPerDay = 24 * 60 * 60 * 1000; 
var timeLeft = (UpgradeDay.getTime() - today.getTime()); 
var days = timeLeft / msPerDay; 
var daysLeft = Math.floor(days); 
document.write("<H2>Group 2</H2>There are only<BR> <H4>" + daysLeft + " days </H4> Until Your Computer Upgrade on " + UpgradeDay);  

//Group 3 Code
var UpgradeDay = new Date("October 24, 2017"); 
var msPerDay = 24 * 60 * 60 * 1000; 
var timeLeft = (UpgradeDay.getTime() - today.getTime()); 
var days = timeLeft / msPerDay; 
var daysLeft = Math.floor(days); 
document.write("<H2>Group 3</H2>There are only<BR> <H4>" + daysLeft + " days </H4> Until Your Computer Upgrade on " + UpgradeDay); 
 
 //Group 4 Code
var UpgradeDay = new Date("October 27, 2017"); 
var msPerDay = 24 * 60 * 60 * 1000; 
var timeLeft = (UpgradeDay.getTime() - today.getTime()); 
var days = timeLeft / msPerDay; 
var daysLeft = Math.floor(days); 
document.write("<H2>Group 4</H2>There are only<BR> <H4>" + daysLeft + " days </H4> Until Your Computer Upgrade on " + UpgradeDay); 

//Group 5 Code
var UpgradeDay = new Date("October 29, 2017"); 
var msPerDay = 24 * 60 * 60 * 1000; 
var timeLeft = (UpgradeDay.getTime() - today.getTime()); 
var days = timeLeft / msPerDay; 
var daysLeft = Math.floor(days); 
document.write("<H2>Group 5</H2>There are only<BR> <H4>" + daysLeft + " days </H4> Until Your Computer Upgrade on " + UpgradeDay); 
 
 
</script>
</body> 
</html>

Adding

javascript

<html>
    <head>
        <title> Adding </title>
    </head>
    <body>
        <script language="javascript">
            var number1, number2, sum;
            number1 = Number(prompt('enter first number: ',''));
            number2 = Number(prompt('enter second number: ',''));
            sum = number1 + number2;
            alert("The sum is ");
           
        </script>
    </body>
</html>

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