how to add elements in javascript html
//adding 'p' tag to body
var tag = document.createElement("p"); // <p></p>
var text = document.createTextNode("TEST TEXT");
tag.appendChild(text); // <p>TEST TEXT</p>
var element = document.getElementsByTagName("body")[0];
element.appendChild(tag); // <body> <p>TEST TEXT</p> </body>javascript function to add two numbers
<!--Add two integer numbers using JavaScript.-->
<html>
<head>
<title>Add two integer numbers using JavaScript.</title>
<script type="text/javascript">
function addTwoNumbers(textBox1, textBox2){
var x=document.getElementById(textBox1).value;
var y=document.getElementById(textBox2).value;
var sum=0;
sum=Number(x)+Number(y);
alert("SUM is: " + sum);
}
</script>
</head>
<body>
<h1>Add two integer numbers using JavaScript.</h1>
<b>Enter first Number: </b><br>
<input type="text" id="textIn1"/><br>
<b>Enter second Number: </b><br>
<input type="text" id="textIn2"/><br><br>
<input type="button" id="btnSum" value="Calculate SUM" onClick="addTwoNumbers('textIn1','textIn2')"/>
</body>
</html>Copyright © 2021 Codeinu
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