Array.prototype.remove=function(element){}
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<!DOCTYPE html><html><head> <meta charset="utf-8"></head><title>prototype和splice</title><body> <!-- 代码放在body中,可运行 --> <script type="text/javascript"> /*Array.prototype.remove=function(element){}扩展了javascript的内置对象Array,这样,我们以后声明的所有数组对象都会自动地拥有自定义的remove(element)方法*/ Array.prototype.remove=function(element){ for(i=0;i<this.length;i++){//遍历数组对象的元素 if(this[i]==element){ //当相等时 this.splice(i,1); //调用javascript的内置方法splice(规定要删除的项目的位置,要删除的项目数量),返回删除后的this。 } } return this; //返回调用remove方法的对象 } </script></body>
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