The Javascript handler applies () method traps for a function call.
Syntax:
apply: function(target, thisArg, arguments)
Parameters:
target: It represents the target object.
thisArg: It represents this keyword for the function call.
argumentsList: The list of function parameters.
Return:
Any value.
Example:
<!DOCTYPE html>
<html>
<body>
<script>
var handler = function(a, b)
{
document.writeln('proxy: ' + a + ', ' + b);
};
var proxy = new Proxy(handler, {
apply: function(target, thisArg, parameters)
{
return target.apply(thisArg, parameters);
}
});
proxy('400', '540');
</script>
</body>
</html>