javascript在线学习

w3school
https://www.w3school.com.cn/jsref/jsref_obj_regexp.asp   
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Guide/Regular_Expressions    
https://developer.mozilla.org/zh-CN/docs/Web/API/Window/close  
https://www.w3school.com.cn/jsref/dom_obj_event.asp

IE:
https://msdn.microsoft.com/en-us/library/ie/ms536761(v=vs.85).aspx
https://msdn.microsoft.com/en-us/library/ie/ms536392(v=vs.85).aspx
https://msdn.microsoft.com/en-us/library/ie/ms536408(v=vs.85).aspx

mozilla
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Guide/Regular_Expressions
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript
https://developer.mozilla.org/en-US/docs/Web/API

jQuery
https://hemin.cn/jq/
https://api.jquery.com/

javascript
w3school
https://www.w3school.com.cn/jsref/jsre