JavaScript dynamic resize _ javascript skills

Through actual operations, the author found that Javascript code can be used for simple implementation: For images larger than 100X100, it is reduced to 100X100. If the image size is smaller than this, the original image size is kept. Recently, due to project requirements, if the image is larger than 100X100, it is reduced to 100X100. If the image is smaller than this, the original image size is kept. After research, we found that Javascript code can be used for simple implementation.
Javascript code:

The Code is as follows:

Script
Function resizeImage (obj) {if (obj. height> 100) obj. height = 100; if (obj. width> 100) obj. width = 100 ;}
Script

Page code:

The Code is as follows:

All tests on IE6, Firefox, and Google Chrome work normally.