JS implementation click input box pop-up selection box effect complete instance _ javascript skills

This article mainly introduces how to achieve the effect of a selection box in JavaScript by clicking the input box. it involves how JavaScript responds to mouse events and how to dynamically operate page elements and related attributes, for more information, see the examples in this article. The following describes how to create a selection box by clicking the input box in JS. We will share this with you for your reference. The details are as follows:

The running effect is as follows:

The complete instance code is as follows:

Practical click input box pop-up selection box effect