Call a method of object with string in JavaScript

By Nobu | Published: November 16, 2009
var call_user_func = function(obj, method) {
    return eval('obj.' + method).apply(obj, Array.prototype.slice.call(arguments, 2));
}
var test1 = {
    method1: function(arg1, arg2, arg3) {
        return alert(arg1 + arg2 + arg3);
    }
}
call_user_func(test1, 'method1', 1, 2, 3);

It works on Firefox3, Safari4, IE6.

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    I'm Nobu, a web developer living in Mountain View, CA. Feel free to comment on any posts. I'm also tweeting on twitter.

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