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Saturday, 21 September 2013

variables in javascript




<!DOCTYPE html>
<html>

     <head>
 
<title></title>

<head>


<body>
<script type="text/javascript">
<!--


var x= 45;

document.write(x);
//-->
</script>


</body>


</html>





























==============================================



<!DOCTYPE html>
<html>

     <head>
 
<title></title>

<head>


<body>
<script type="text/javascript">

//you cant do below statement...
//var str= "i love my "india"";

// you have to use excape characters

var str= "i love my \"india\"";


document.write(str);


</script>



</body>


</html>




escape character used













==============================================
<!DOCTYPE html>
<html>

     <head>
 
<title></title>

<head>


<body>
<script type="text/javascript">
function anu()
{

var a=50;
var b=40;
var ans=a+b;
alert(ans);

}


</script>

<form>

<input type="button" value="click me" onclick="anu()">

</form>

</body>

</html>


































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