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add Function.prototype.bind and window.console.log.apply

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rolux 2012-05-25 17:40:21 +02:00
parent 67fcca7304
commit 2f5a99a88f
1 changed files with 50 additions and 5 deletions
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55
source/Ox/js/Fallback.js
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@ -2,6 +2,45 @@
Ox.fallback = {};
(function(global) {
/*@
Ox.fallback.bind = <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Function/bind
<script>
Ox.test.object = {
get: function() {
return this.value;
},
value: 'foo'
};
Ox.test.get = Ox.test.object.get;
Ox.test.value = 'bar';
</script>
> Ox.test.object.get()
'foo'
> Ox.test.get()
'bar'
> Ox.fallback.bind.call(Ox.test.get, Ox.test.object)()
'foo'
@*/
Ox.fallback.bind = function(that) {
if (typeof this !== 'function') {
throw new TypeError();
}
var args = Array.prototype.slice.call(arguments, 1),
fn = function() {},
this_ = this,
ret = function() {
return this_.apply(
this instanceof fn ? this : that || global,
args.concat(Array.prototype.slice.call(arguments))
);
};
fn.prototype = this.prototype;
ret.prototype = new fn();
return ret;
};
})(this);
/*@
Ox.fallback.every <f> see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/every
> Ox.fallback.every.call([0, 1, 2], function(v, i) { return v == i; })
@ -225,13 +264,19 @@ Ox.fallback.trim = function() {
(function() {
var method, object;
for (method in Ox.fallback) {
object = method == 'keys' ? Object
object = method == 'bind' ? Function.prototype
: method == 'keys' ? Object
: method == 'trim' ? String.prototype
: Array.prototype;
for (method in Ox.fallback[object]) {
if (!object[method]) {
object[method] = Ox.fallback[method];
}
if (!object[method]) {
object[method] = Ox.fallback[method];
}
}
// IE9 in developer mode has window.console, but no window.console.log.apply
// see http://stackoverflow.com/questions/5472938/does-ie9-support-console-log-and-is-it-a-real-function
if (window.console && !window.console.log.apply) {
window.console.log = Function.prototype.bind.call(
window.console.log, window.console
);
}
})();