Get JavaScript function name

Source: Internet
Author: User
Tags return window

Core tip: The function name is GetFuncName, and the GetFuncName function is used directly in order to get the JavaScript function name

Gets the method that Javscript executes the function name, as follows:

The function name is GetFuncName, and the GetFuncName function is used directly in order to get the JavaScript function name


<script language= "JavaScript" >
function GetFuncName (_callee) {
var _text = _callee.tostring ();
var _scriptarr = document.scripts;
for (var i=0; i<_scriptarr.length; i++) {
var _start = _scriptarr[I].text.indexof (_text);
if (_start!=-1) {
if (/^function\s*\ (. *\). *\r\n/.test (_text)) {
var _temparr = _scriptarr[i].text.substr (0, _start). Split (' \ r \ n ');
Return _temparr[_temparr.length-1].replace (/(Var) (\s*)/g, '). Replace (/=/g, ');
} else {
Return _text.match (/^function\s* ([^\ (]+). *\r\n/) [1];
}
}
}
}
function A () {
Return GetFuncName (Arguments.callee);
}
var B = function () {
Return GetFuncName (Arguments.callee);
}
Window.alert (A ());
Window.alert (b ());
</script>


Get Javscript to execute a function name



Related Article

Cloud Intelligence Leading the Digital Future

Alibaba Cloud ACtivate Online Conference, Nov. 20th & 21st, 2019 (UTC+08)

Register Now >

Starter Package

SSD Cloud server and data transfer for only $2.50 a month

Get Started >

Alibaba Cloud Free Trial

Learn and experience the power of Alibaba Cloud with a free trial worth $300-1200 USD

Learn more >

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.