Community

Learn

Tools Library

AI Tools

Leisure

English

Home > Web Front-end > JS Tutorial > Improved version of tree drop-down box implemented in javascript_navigation menu

Improved version of tree drop-down box implemented in javascript_navigation menu

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Release： 2016-05-16 19:00:40

Original

1137 people have browsed it

The principle is to load the root nodes sequentially first, and then traverse each array to see if there is an array with this root node as the parent node. If so, load it into the drop-down box, and then recurse to see if there is one. The array with this node as the parent node, if there is one, is loaded into the drop-down box, and so on...
The code is as follows:

[Ctrl A select all Note:

If you need to introduce external Js, you need to refresh to execute ]

Related labels：

javascript drop down box

source：php.cn

Previous article：Instance difference between onClick and onDBClick event methods_Basic knowledge Next article：js simulates computer selection of multiple folders_selection code_javascript skills

Statement of this Website

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn