How to implement direction keys in JS to switch the focus of the input box _ javascript skills

This article mainly introduces how to switch the focus of the input box by using the direction keys in javascript. It involves javascript mouse events and switching of the focus of page elements. It has some reference value, for more information about how to use JS to switch the focus of an input box, see the following example. Share it with you for your reference. The details are as follows:

The js arrow keys are implemented here to control and switch the focus of the input box, but they are not compatible with Firefox. After the input is complete, press ENTER or press the arrow key to move the focus to the text box you want to enter without clicking the mouse. This function increases the input speed when data is frequently input.

The running effect is as follows:

The Online Demo address is as follows:

Http://demo.jb51.net/js/2015/js-input-cha-focus-style-codes/

The Code is as follows:

JS direction key switch input box focus