Example analysis of this keyword usage in javascript and jquery_javascript skills

This article analyzes the usage of this keyword in javascript and jquery through examples. Share it with everyone for your reference, the details are as follows:

this represents the current object, which can be a form,

and other elements

1. Usage of this in javascript:

JS part:

<script type="text/javascript">
 function chimg(obj){
  obj.src="./images/2.jpg";
 }
</script>

HTML part:

Copy code The code is as follows:

2. Usage of this in jquery:

JS part:

<script type="text/javascript">
  $(document).ready(function(){
   alert(this.src);
  })
</script>

HTML part:

Copy code The code is as follows:

I hope this article will be helpful to everyone in JavaScript programming.