js 字符與ASCII碼互轉

 

將字符轉為ASCII碼

var str = "A";
str.charCodeAt();  // 65

var str1 = 'a';
str1.charCodeAt();  // 97

 

將ASCII碼轉為字符

var num = 97;
String.fromCharCode(num);  // 'a'

var num1 = 100;
String.fromCharCode(num1);  // 'd'

 

參考文章: http://blog.csdn.net/xiaobing_hope/article/details/78645273

fromCharCode