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at March 5, 2009 16:26 by Sephr
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function $setter(obj, prop) function() obj.__lookupSetter__(prop).apply(obj, Array.prototype.slice.call(arguments)); function $getter(obj, prop) function() obj.__lookupGetter__(prop).apply(obj, Array.prototype.slice.call(arguments)); Object.prototype.getSetter = function(prop) $setter(this, prop); Object.prototype.getGetter = function(prop) $getter(this, prop);
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*Requires JavaScript 1.8* `$[gs]etter(obj, property)` returns `function() obj.__lookup[GS]etter__(property).apply(obj, Array.prototype.slice.call(arguments))` `object.get[GS]etter(property)` returns `$[gs]etter(this, property)` Useful for getting the getters and setters of objects like `location`, so you can do stuff like location.getSetter("hash") to get the native hash-changing function. Example: var foo = {a: 5} foo.__defineSetter__("bar", function(x) x/this.a) var fooBarSetter = foo.getSetter("bar") // $setter(foo, "bar") also works fooBarSetter(40) == 8 var changeHash = location.getSetter("hash") changeHash("test") var getHash = location.getGetter("hash") getHash() == location.hash getHash() == "#test" function changeInnerHTML(el, html) el.getSetter("innerHTML")(html) changeInnerHTML(document.body, "test") document.getSetter("title")("Test")
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Get Accessor (Getter/Setter) [JS 1.8]
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JavaScript