JavaScript forward_static_call_array function
A JavaScript equivalent of PHP’s forward_static_call_array
function forward_static_call_array (cb, parameters) {
// http://kevin.vanzonneveld.net
// + original by: Brett Zamir (http://brett-zamir.me)
// % note 1: No real relevance to late static binding here; might also use call_user_func_array()
// * example 1: forward_static_call_array('isNaN', ['a']);
// * returns 1: true
// * example 2: forward_static_call_array('isNaN', [1]);
// * returns 2: false
var func;
if (typeof cb === 'string') {
if (typeof this[cb] === 'function') {
func = this[cb];
} else {
func = (new Function(null, 'return ' + cb))();
}
}
else if (Object.prototype.toString.call(cb) === '[object Array]') {
func = eval(cb[0] + "['" + cb[1] + "']");
}
if (typeof func !== 'function') {
throw new Error(func + ' is not a valid function');
}
return func.apply(null, parameters);
}
Example 1
forward_static_call_array('isNaN', ['a']);
Should return
true
Example 2
forward_static_call_array('isNaN', [1]);
Should return
false
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