call与继承的简单应用

javascript通过call来继承

by kixi

HTML

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从javascript开始   <br>

JavaScript

function baseA()		// base Class A
{
	this.member = "baseA member";
	this.showSelfA = function()
	{
		window.alert(this.member);
	}
}			
			
function extendAB()		// Inherit Class from A and B
{
	baseA.call(this);	// call for A	
}			

var extend = new extendAB();
extend.showSelfA();		// show A