A function literal is an expression that defines an unnamed function. You can try running the following code to implement function literals in JavaScript.
<html>
<head>
<script>
<!--
var func = function(x,y){ return x*y };
function secondFunction() {
var result;
result = func(10,20);
document.write ( result );
}
//-->
</script>
</head>
<body>
<p>Click the following button to call the function</p>
<form>
<input type = "button" onclick = "secondFunction()" value = "Call Function">
</form>
</body>
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