Java Script


JavaScript

JavaScript is the world's most popular programming language. It's the language for HTML and the webpage, for servers, tablets, pc, laptops and more..........
javaScript is programming code that can be inserted into html  page.

Eg:-
1)
<html>
<head>
<title>Javascript</title>
</head>
<body>
<script>
document.write("My first javascript ");
</script>
</body>
</html>

Output :- 
My first javascript

2) 
<button type='button' onclick="document.getElementById('demo').innerHTML='hello Java script!'">Click me </button>


{click button then print hello java}



<button type='button' onclick="document.getElementById('demo').style.fontSize='35px'">Click me </button>

{click button change fontsize}





<button type='button' onclick="document.getElementById('demo').style.color='red'">Click me </button>


{click button change fontcolor}


<button type='button' onclick="document.getElementById('demo').style.display='none'">Click me </button>
{click button remove button}

3)
< id='demo'></p>
<p id='demo1'></p>
    <p id='demo2'></p>
    <p id="demo3"></p>
    <button onclick="document.write(5+7)">Try it</button>
<script>
document.getElementById("demo").innerHTML=5+6;
document.getElementById("demo1").innerHTML="5+6";
document.getElementById("demo2").innerHTML="5"+"6";
document.write(4+10);
window.alert(3+1);
console.log(8+3);
var x,y,z;
x=15;
y=6;
z=x+y;
document.getElementById("demo3").innerHTML=z;
</script>

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