生成随机字母字符串

万和IT

1. function generateRandomAlphaNum(len) {
   
2.     var rdmString = "";
   
3.     for( ; rdmString.length < len; rdmString  += Math.random().toString(36).substr(2));
   
4.     return  rdmString.substr(0, len);
   
5. }
   
6. //调用
   
7. generateRandomAlphaNum(10);//fa8y393e9a
   
8. generateRandomAlphaNum(10);//j15mhox8bs
   
9. 
   

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