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<title>Document</title>
<script>
function sjQuery(){
}
/*
sjQuery.extend=function(obj){
//此時此刻的this就是sjQuery這個類
// console.log(this);
for(var key in obj){
//相當於sjQuery["isTest"]=function(){console.log('test');}
this[key]=obj[key];//this就是sjQuery這個類
}
}
sjQuery.extend({
isTest:function(){//isTest變成了sjQuery的靜態方法了
console.log('test');
}
});
sjQuery.isTest();
*/
//簡化後的代碼
sjQuery.extend=sjQuery.prototype.extend=function(obj){
for(var key in obj){
this[key]=obj[key];
}
}
</script>
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