How to use JavaScript to shrink a picture

How to use JavaScript to reduce the picture, in view of this problem, this article introduces in detail the corresponding analysis and answers, hoping to help more partners who want to solve this problem to find a more simple and easy way.

JS method to reduce the size of the picture: 1, use the setAttribute () method, syntax "picture object .setAttribute (" width "," smaller width value ")". 2. Using the width property of the style object, the syntax "picture object .style.width =" smaller value ".

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

The method of reducing the size of the picture in JavaScript

Method 1: use setAttribute ()

Shrink the picture function myFunction () {document.getElementById ('img') .style.width = "300px";}

Output result:

This is the answer to the question about how to use JavaScript to reduce the picture. I hope the above content can be of some help to you. If you still have a lot of doubts to solve, you can follow the industry information channel to learn more about it.