Describes the common method for javascript to obtain url Information, including javascripturl.

Describes the common method for javascript to obtain url Information, including javascripturl.

First with "http://www.cnblogs.com/wuxibolgs329/p/6188619.html#flag? Take test = 12345 as an example, and then obtain the components of it.

1. Obtain the complete url of the page

var a=location.href;console.log(a);　// “http://www.cnblogs.com/wuxibolgs329/p/5261577.html#flag?test=12345”

2. Get the Domain Name of the page

var host = window.location.host; //www.cnblogs.comvar host2 = document.domain; //www.cnblogs.comvar a = location.hostname;　　//www.cnblogs.com

3. Obtain the url protocol

var a=location.protocol;console.log(a);　//http:

4. Obtain the port

var a=location.port;console.log(a);

5. Get the page path

var a=location.pathname;console.log(a);

6. set or obtain the URL protocol section

var a = location.protocol;

7. Obtain the part after #

var a=window.location.hash; var b=a.substr(1); console.log(b);　// flag?test=12345

8. What is the question mark in the href attribute? Next part

// At this time the case address becomes "http://www.cnblogs.com/wuxibolgs329/p/5261577.html? Test = 12345 ". Get test = 12345var a = location. search; var B = a. substr (1); console. log (B); // if the case is still "http://www.cnblogs.com/wuxibolgs329/p/5261577.html#flag? Test = 12345 ", you need to write the following code to obtain test = 12345var a = location. href; var B = a. substr (a. lastIndexOf ('? ') + 1); console. log (B );

9. Get the part after =

var a=location.href;var b=a.substring(a.lastIndexOf('=')+1);console.log(b); // 12345

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