JavaScript Function apply()

by

The JavaScript Function apply() method calls a function containing this value and a single array of arguments.

Syntax:

function.apply(thisArg, array)

Parameters:
thisArg: It is used as this keyword for the call to a function. It is an optional parameter.
array: It represents an array-like object.

Return:
Result of the invoking function.

Example:

<!DOCTYPE html>
<html>
<body>
<script>
var a = [100,40,678,435,890];
var greatest = Math.max.apply(null, a);
document.writeln(greatest);
</script>
</body>
</html>