代码如下
render : function(){
this.$el.html(this.template());
return this;
}
是你选择的这个元素,与$( )的区别在于$el是真正的dom元素,与document.getElementsby..
.一样,$( )选择的元素实际上是一个jq的元素组,需要接.get(0)或者[0]获取真正的dom
What does $el in jQuery mean
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