Front Js&&dom Cont.

JS Cont. 1. Serialization

• Json.stringify (obj) serialization
• Json.parse (str) deserialization

2. Escape

• decodeURI () characters that are not escaped from the URL
• decodeURIComponent () non-escaped characters in the URI component
• encodeURI () escape character in Uri
• encodeURIComponent () escapes the characters in the URI component
• Escape () escapes the string
• Unescape () to escape string decoding
• Urierror is thrown by URL encoding and decoding methods

    <Script>        varURL= "http://www.baidu.com?n= Bao Qiang"; varret=encodeURI (URL); //alert (ret);Console.log (ret);//Http://www.baidu.com?n=%E5%AE%9D%E5%BC%BA        varu=decodeURI (ret); //alert (u);console.log (u);//http://www.baidu.com?n= Bao Qiang        varR2=encodeuricomponent (URL); Console.log (R2);//Http%3a%2f%2fwww.baidu.com%3fn%3d%e5%ae%9d%e5%bc%ba    </Script>

3. Eval

Eval in JavaScript is a collection of eval and exec in Python that compiles code and can get return values.

• Eval ()

< Script >         eval ('alert (' eval ')')    </Script  >

• Evalerror executing JavaScript code in a string

4. Regular Expressions

Regular expressions are supported in JavaScript, which provides two main features:

• Test (string) to detect if a regular match
• EXEC (string) to get the contents of a regular match

Note: When you define a regular expression, "G", "I", "M" represent global matches, ignoring case and multiline matching.

5. Time Processing

Time-related operations are available in JavaScript, and time operations are divided into two types of time:

• Time Unification Time
• local time (East 8 district)

    <Script>D= NewDate//Mon-20:12:57 gmt+0800 (CST)d.getutchours ()// Ad.getfullyear ()// .d.setminutes (D.getminutes ( $) +2)//1471263297229D//Mon-20:14:57 gmt+0800 (CST)    </Script>

For more operations see: http://www.shouce.ren/api/javascript/main.htm

Front Js&&dom Cont.