Prototype vs Closures - jQuery Plugin
JavaScript performance comparison
Preparation code
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div class="person_1"></div>
<div class="person_2"></div>
<script>
Benchmark.prototype.setup = function() {
(function($) {
function personOne(name) {
this.name = name;
}
personOne.prototype.getName = function() {
return this.name;
};
personOne.prototype.setName = function(name) {
this.name = name;
}
$.fn.PersonOne = function(method) {
return $(this).each(function() {
var data = $(this).data("Person-One");
if (!data) {
$(this).data("Person-One", new personOne());
}
});
};
})(jQuery);
(function($) {
var _name = "";
function _init(name) {
_name = name;
return $(this);
}
var pub = {
getName: function() {
return _name;
},
setName: function(name) {
_name = name;
return $(this);
}
};
$.fn.PersonTwo = function(method) {
if (pub[method]) {
return pub[method].apply(this, Array.prototype.slice.call(arguments, 1));
} else if (typeof method === 'object' || !method) {
return _init.apply(this, arguments);
}
return this;
};
})(jQuery);
};
</script>
Preparation code output
<div class="person_1"></div>
<div class="person_2"></div>
Test runner
Warning! For accurate results, please disable Firebug before running the tests. (Why?)
Java applet disabled.
Test | Ops/sec | |
---|---|---|
Prototype init
|
|
pending… |
Closure init
|
|
pending… |
Prototype read
|
|
pending… |
Closure read
|
|
pending… |
Prototype write
|
|
pending… |
Closure write
|
|
pending… |
Compare results of other browsers
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