javascript的继承方式

转载于 2011-08-05 20:43:02 发布 · 370 阅读

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//方式一
function superClass()
{
    this.name = "hi";
    this.showName = function() {window.alert(this.name)};
}
function childClass()
{
}
childClass.prototype = new superClass();

var c = new childClass();
c.showName();

//方式二
var superClass = {name:"hi", showName:function() {window.alert(this.name)}};
function childClass()
{
}
childClass.prototype = superClass;

var c = new childClass();
c.showName();