JavaScript itself uses the charCodeAt method to obtain Unicode encoding of a character and converts Unicode encoding into corresponding characters through the fromCharCode method.The charCodeAt method, however, should be a 16-bit integer that takes
Php URL decode function corresponding to JavaScript URL encode function
1. Try using JS's encodeURI (), encodeURIComponent (), Escape () function for URL encoding,2. Using PHP UrlDecode function decoding, the results can not be decoded into normal
Encoding conversion has always been a headache. we usually encounter page garbled characters due to some encoding problems. The following section provides an example of converting unicode encoding to UTF-8 encoding. let's take a look. in front-end
Basic concepts of 1.URL codingURLs can only be sent over the Internet using the US-ASCII character set. Because URLs often contain characters outside of the ASCII collection, URLs must be converted to valid ASCII formats. URL encoding uses a "%"
Node. js uses Buffer to encode and decode binary data.
JavaScript is good at processing strings, but it is not very good at processing binary data because it was originally designed to process HTML documents. JavaScript has no byte type, no
Ask how to decode this JS data, ask how to decode this JS data, data address: http://list.taobao.com/itemlist/default.htm? _ Input_charset = UTF-8 & amp; json = on & amp; cat = 0 & amp; style = grid & amp; pcat = food ask how to decode this JS data,
The encodeURI () function encodes a string as a URI.GrammarencodeURI (uristring)
Parameters
Description
Uristring
Necessary. A string that contains the URI or other text to encode.
return valueA
Although escape (), encodeuri (), and encodeuricomponent () methods can affect the URL integrity
Character filtering. But the latter two is to convert the string to the UTF-8 way to transfer, solve the problem caused by inconsistent page
Original
To prevent xss and csrf + xss vulnerabilities, strings are transcoded in the background. The result is as follows:Original article: JavaScript Advanced ProgrammingCode: JavaScript & #39640; & #32423; & #31243; & #24207; & #35774; &
Preliminary Exploration of javascript Functions (II): Preliminary Exploration of javascript Functions
JavascriptPredefined functions:
The javascript engine has a set of built-in functions that can be called at any time.
These built-in functions
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.