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Thursday, August 15, 2013

javascript length property

<html>
<body>

<script type="text/javascript">

var txt = "Hello World!";
document.write(txt.length);

</script>

</body>
</html>

result

<html>
<body>

<script type="text/javascript">
var str="Hello world!";
document.write(str.match("world") + "<br />");
document.write(str.match("World") + "<br />");
document.write(str.match("worlld") + "<br />");
document.write(str.match("world!"));
</script>

</body>
</html>

result

javascript math max

<html>
<body>

<script type="text/javascript">
document.write(Math.max(5,10) + "<br />");
document.write(Math.max(0,150,30,20,38) + "<br />");
document.write(Math.max(-5,10) + "<br />");
document.write(Math.max(-5,-10) + "<br />");
document.write(Math.max(1.5,2.5));
</script>

</body>
</html>

result

JavaScript math min

<html>
<body>

<script type="text/javascript">

document.write(Math.min(5,10) + "<br />");
document.write(Math.min(0,150,30,20,38) + "<br />");
document.write(Math.min(-5,10) + "<br />");
document.write(Math.min(-5,-10) + "<br />");
document.write(Math.min(1.5,2.5));

</script>

</body>

</html>

result

JavaScript math random

<html>
<body>

<script type="text/javascript">

//return a random number between 0 and 1
document.write(Math.random() + "<br />");

//return a random integer between 0 and 10
document.write(Math.floor(Math.random()*11));

</script>

</body>
</html>

Result

JavaScript math round

<html>
<body>

<script type="text/javascript">

document.write(Math.round(0.60) + "<br />");
document.write(Math.round(0.50) + "<br />");
document.write(Math.round(0.49) + "<br />");
document.write(Math.round(-4.40) + "<br />");
document.write(Math.round(-4.60));

</script>

</body>
</html>

Result

JavaScript multi line comments

<html>
<body>

<script type="text/javascript">
/*
The code below will write
one heading and two paragraphs
*/
document.write("<h1>This is a heading</h1>");
document.write("<p>This is a paragraph.</p>");
document.write("<p>This is another paragraph.</p>");
</script>

</body>
</html>

Result

JavaScript object direct instance

<html>
<body>

<script type="text/javascript">
personObj=new Object();
personObj.firstname="Fazle";
personObj.lastname="Hasan";
personObj.age=63;
personObj.eyecolor="black";

document.write(personObj.firstname + " is " + personObj.age + " years old.");
</script>

</body>
</html>

Result

JavaScript object template

<html>
<body>

<script type="text/javascript">
function person(firstname,lastname,age,eyecolor)
{
this.firstname=firstname;
this.lastname=lastname;
this.age=age;
this.eyecolor=eyecolor;
}

myFather=new person("Fazle","Hasan",63,"blue");

document.write(myFather.firstname + " is " + myFather.age + " years old.");
</script>

</body>
</html>

Result

JavaScript break statement

<html>
<body>
<script type="text/javascript">
var i=0;
for (i=0;i<=10;i++)
{
if (i==3)
{
break;
}
document.write("The number is " + i);
document.write("<br />");
}
</script>
<p>Explanation: The loop will break when i=3.</p>
</body>
</html>

Result

Thursday, August 1, 2013

JavaScript arrayunshift

<html>
<body>

<script type="text/javascript">

var fruits = ["Banana", "Orange", "Apple", "Mango"];
document.write(fruits.unshift("Kiwi") + "<br />");
document.write(fruits.unshift("Lemon","Pineapple") + "<br />");
document.write(fruits);

</script>

<p><b>Note:</b> The unshift() method does not work properly in Internet Explorer, it only returns undefined!</p>

</body>
</html>

Result

JavaScript array to String

<html>
<body>

<script type="text/javascript">

var fruits = ["Banana", "Orange", "Apple", "Mango"];
document.write(fruits.toString());

</script>

</body>
</html>

Pages

Thursday, August 15, 2013

javascript length property

result

javascript match method

result

javascript math max

result

JavaScript math min

JavaScript math random

Result

JavaScript math round

Result

JavaScript multi line comments

Result

JavaScript object direct instance

Result

JavaScript object template

Result

JavaScript break statement

Result

Thursday, August 1, 2013

JavaScript arrayunshift

JavaScript array to String

Result

JavaScript arraysplice

JavaScript arraysort Number_02

JavaScript arraysort Number

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