Javascript: Method _ javascript skills

This article mainly introduces the method for changing the gray and unavailable input boxes after the check box is selected by javascript. It involves the related operation skills of javascript For page element attributes and has some reference value, you can refer to the following example to describe how to gray the checkbox after javascript is selected. Share it with you for your reference. The details are as follows:

This function is often seen on some websites. When you select the check box, the related options are dimmed and unavailable. It looks professional and is also a way to improve user experience.

Shows the running effect:

The Code is as follows:

Select the check box and the related classes are grayed out.