Ajax-hook
中文文档:http://www.jianshu.com/p/9b634f1c9615
原理解析:http://www.jianshu.com/p/7337ac624b8e
Introduction
Hook Javascript global XMLHttpRequest object。 And change the default Ajax request and response .
Usage
-
Installing
-
Using cdn
-
Using npm
npm install ajax-hook
-
-
hook the callbacks and functions you want .
// NPM// const ah=require("ajax-hook")// ah.hookAjax({...})
Now, it worked! we use jQuery ajax to test .
// get current page source code $
The result :
> open called: method:GET,url:http://localhost:63342/Ajax-hook/demo.html,async:true
> onload called: XMLHttpRequest
> <!DOCTYPE html>
<html>
<head l...
See the demo "demo.html" for more details.
API
hookAjax(ob)
- ob; type is Object
- return value: original XMLHttpRequest
unHookAjax()
- unhook Ajax
Changing the default Ajax behavior
The return value type of all hook-functions is boolean, if true, the ajax will be interrupted ,false or undefined are not . for example:
Changing the "responseText"
Result:
hook!<!DOCTYPE html>
<html>
<h...
Notice
All callbacks such as onreadystatechange、onload and son on, the first argument is current XMLHttpRequest instance. All functions, such as open, send and so on, the first parameter is an array of the original parameters, the second parameter is the current origin XMLHttpRequest instance.