Tips for javascript to generate uppercase/lowercase letters _ javascript

This article will share with you the code for generating uppercase and lowercase letters in javascript, which is very simple and practical and mainly uses str. charCodeAt () and String. for more information about the fromCharCode () method, see. The str. charCodeAt () and String. fromCharCode () methods are mainly used.

-- Uses charCodeAt () to obtain the Unicode encoding of a specific character in a string.

-- FromCharCode () can accept one or more specified Unicode values, and then return the corresponding string.

// Generate the Unicode value of uppercase letter A as 65 function generateBig_1 () {var str = []; for (var I = 65; I <91; I ++) {str. push (String. fromCharCode (I);} return str;} // generate the Unicode value of uppercase letter a as 97 function generateSmall_1 () {var str = []; for (var I = 97; I <123; I ++) {str. push (String. fromCharCode (I);} return str;} // convert the string to the Unicode code function toUnicode (str) {var codes = []; for (var I = 0; I
 
  

  
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FromCharCode plays a major role in html object character conversion.