Home >Web Front-end >JS Tutorial >JS determines whether a variable is empty and determines whether it is null_javascript skills
JS determines whether a variable is empty and determines whether it is null_javascript skills
- WBOYOriginal
- 2016-05-16 16:41:132212browse
/**
* 判断是否null
* @param data
*/
function isNull(data){
return (data == "" || data == undefined || data == null) ? "暂无" : data;
}
Statement：
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
Previous article：Tips for submitting multiple forms with jQuery_jqueryNext article：Tips for submitting multiple forms with jQuery_jquery
Related articles
See more- An in-depth analysis of the Bootstrap list group component
- Detailed explanation of JavaScript function currying
- Complete example of JS password generation and strength detection (with demo source code download)
- Angularjs integrates WeChat UI (weui)
- How to quickly switch between Traditional Chinese and Simplified Chinese with JavaScript and the trick for websites to support switching between Simplified and Traditional Chinese_javascript skills