decode base64 string javascript

I. ORIGIN of BASE64 coding Why would there be Base64 code? Because some network transport channels do not support all bytes, for example, traditional messages only support the transfer of visible characters, such as ASCII code control characters

Recently writing interface ———— about image upload The foreground uses the Vuejs, uses the base64 to upload the picture, filedata: "Data:image/jpeg;base64,9j/4aaqsk ...", puts this data directly in the address bar, also can display the picture, But

Java and JavaScript Base64 encoding When developing Java Web applications, it is possible to use Java for BASE64 encoding on the server side, while the client can decode it with JavaScript. This requires consistency of Base64 coding mechanisms on

Previous wordsBase-64, as a common coding function, has been widely used in Basic authentication, Digest authentication, and some HTTP extensions. In the front-end domain, images are often converted to base-64 encoding for transmission over the

Brief introduction Base64 is a representation that represents binary data based on 64 printable characters. Because 2 of the 6 times equals 64, each 6 bit is a unit, corresponding to a printable character. Three bytes have 24 bits, corresponding to

Why do we need to encode parameters? I believe that the majority of programmers who have experience in development know that in the Web, if the parameter value is directly transferred on the URL address, if it is Chinese, or +, there will be garbled

Why do we need to encode parameters? I believe that the majority of programmers who have experience in development know that in the Web, if the parameter value is directly transferred on the Url address, if it is Chinese, or +, there will be garbled

How do I encode a string in node. js? Is it as simple as using Base64_encode () in PHP?There are many ways to encoding strings in node. js, rather than defining a variety of global functions as in JavaScript. Here's how to encode a normal string

Some time ago, work needs, need to use JS and Java matching base64 algorithm, but did not find, and then online copy a set. It is still very effective to use.Gossip less flocculation, directly on dry.JS version Base 64 algorithm Base64.jsvar keystr =

Why do I need to encode a parameter? I believe that the vast number of programmers who have developed experience know that in the web, if directly in the URL address to pass the parameter value, if Chinese, or + and so on will appear garbled