how to pass in user input in javascript function code example
Example 1: How to Pass Parameter in JavaScript Function From Html
<!DOCTYPE html>
<html>
<head>
<title>function parameters javascript</title>
</head>
<body>
<button onclick="myfunctionName('rohan')">Click</button>
<script type="text/javascript">
function myfunctionName(a){
alert(a);
}
</script>
</body>
</html>
Example 2: passing html vlaues to Javascript function
<body>
<h1>Adding 'a' and 'b'</h1>
a: <input type="number" name="a" id="a"><br>
b: <input type="number" name="b" id="b"><br>
<button onclick="add(document.getElementById('a').value,document.getElementById('b').value)">Add</button>
<script>
function add(a,b) {
var sum = parseInt(a) + parseInt(b);
alert(sum);
}
</script>
</body>