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This article mainly introduces javascript how to change the picture address, the article is very detailed, has a certain reference value, interested friends must read it!

Javascript changes the picture address: 1, use the "document.getElementById (" id ")" statement to get the picture object according to the specified id value; 2, use the "picture object .setAttribute (" src "," new picture address ");" statement to change the picture address.

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

The method of changing the address of a picture by javascript

Realize the idea:

First get the img picture object (

The tag defines the image in the HTML page. )

Then use the setAttribute () method to reset the value of the src attribute (the src attribute of the img tag specifies the URL of the image. )

The setAttribute () method adds the specified property and assigns it the specified value. If this specified property already exists, only the value is set / changed.

Implementation code:

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