Recent projects have a need to use JS to calculate a string of strings written into the memory of the localstorage, it is well known that JS is encoded using Unicode. There are n implementations of Unicode, most of which are UTF-8 and UTF-16.
This article illustrates the method of JS to judge the number of string bytes and intercept the length. Share to everyone for your reference, specific as follows:
This is in the project production, accumulated to a thing, feel the effect can also
Lately it's been tangled up with JavaScript.
A problem with this is that the character set of the database is UTF-8, and you want to use JavaScript on the page to verify that the text you enter uses UTF-8 storage to occupy the byte length. The
A recent project has a need to use JS to calculate a string of strings written to the memory of the localstorage, as we all know, JS is encoded using Unicode. and the implementation of Unicode has n kinds, which use the most is UTF-8 and UTF-16.
It is often encountered in Web display. The title is too long and the string needs to be intercepted. If CSS is used, there are various compatibility problems, the following describes how to intercept a string by byte in javascript as a front-end
The number of bytes of an English character is different from that of a Chinese character or Japanese character. If you directly use the Javascript Len function, the length of an English letter or Chinese character is considered to be 1. If the data
This article briefly introduces the development history of Unicode and JavaScript. For more information, see
1. What is Unicode?
Unicode comes from a very simple idea: to include all the characters in the world in a set, as long as the computer
Http://blog.csdn.net/jackeyabc/archive/2007/04/11/1561117.aspx
Http://topic.csdn.net/u/20070316/14/6A6D551E-1C7B-4A9E-A2AC-64E15E501AD3.html
There is a textarea on the page (note that there are multiple rows). Now we need to use js to implement
Comparison Test on the efficiency of String concatenation by JavaScript and comparison test by javascript
During script development, a large string is often combined and output according to a specific rule. For example, when writing a script control,
This article mainly introduces how the JavaScript language supports the Unicode Character Set. For more information, see what I will share with you next month, and the support of the JavaScript language. The following is the lecture for this sharing.
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