Input box, mouse focus, info_javascript

This article is a very common and practical tips. When you click in the input box, the prompt in the input box disappears, move the mouse away, and the prompt in the input box appears, the question recommended to friends is as follows:

When the mouse clicks in the input box, the prompt in the input box disappears, and the mouse moves away. The prompt in the input box appears. :

The procedure is as follows:

The Code is as follows:

Note that the onblur and onfocus attributes of input are used. In addition, there is a simple if judgment. It is very convenient and practical.

The above is all the content described in this article. I hope you will like it.