How to change src path in JavaScript

How to change the src path in JavaScript: 1. Use the src attribute of the element object, the syntax "element object.src="new path address";"; 2. Use the setAttribute() method, the syntax "element object. setAttribute("src","new path address");".

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

JavaScript to change the src path

Method 1: Use the src attribute of the element object

    
  
 更改src的路径（换图）   

Method 2: Using the setAttribute() method

    
  
 更改src的路径（换图）   

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