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Constructor, prototype
by 蘇德宙, 2011-02-05 20:28, 人氣(1465)
// object constructor function
function obj(name, size) {
this.name = name;
this.size = size;
}
obj.prototype.tellSize = function() { return this.size; }
var o1 = new obj(); // no color
obj.prototype.color = "blue";
var o2 = new obj(); // has color