在构造函数中声明javascript对象方法与在Prototype中声明
var Dog = function(name) {
this.Name = name;
this.Bark = function() {
alert(this.Name + " bark");
};}var Dog = function(name) {
this.Name = name;}Dog.prototype.Bark = function() {
alert(this.Name + " bark");};var dog = new Dog("Fido");dog.Bark(); //Both approaches show "Fido bark"
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