Jquery与js简单对比

Posted 2020-11-17 yanyiyaner

 1 //javascript
 2 window.onload=function ()
 3 {
 4     var oBtn=document.getElementById(‘btn1‘);
 5     
 6     oBtn.onclick=function ()
 7     {
 8         alert(‘a‘);
 9     };
10 };
11 //jquery
12 $(function (){
13     $(‘#btn1‘).click(function (){
14         alert(‘a‘);
15     });
16 });