Home Web Front-end JS Tutorial JavaScript method to achieve full-width half-width conversion_javascript skills

JavaScript method to achieve full-width half-width conversion_javascript skills

May 16, 2016 pm 03:18 PM
javascript full-width Half size

The example in this article describes the method of realizing full-width half-width conversion in JavaScript. Share it with everyone for your reference, the details are as follows:

function fullChar2halfChar(str)
{
 var result = '';
 for (i=0 ; i<str.length; i++)
 {
 code = str.charCodeAt(i);//获取当前字符的unicode编码
 if (code >= 65281 && code <= 65373)//在这个unicode编码范围中的是所有的英文字母已经各种字符
 {
  result += String.fromCharCode(str.charCodeAt(i) - 65248);//把全角字符的unicode编码转换为对应半角字符的unicode码
 }else if (code == 12288)//空格
 {
  result += String.fromCharCode(str.charCodeAt(i) - 12288 + 32);
 }else
 {
  result += str.charAt(i);
 }
 }
 return result;
}

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I hope this article will be helpful to everyone in JavaScript programming.

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