js生成邀请码(2)

//生成邀请码方法一

	/*function createInviteCode() {

	    var s = [],a=6,b=10;

	    var chars = "123456789QWERTYUIPASDFGHJKZXCVBNM";

	    for (var i = 0; i < a; i++) {

	        s[i] = chars.substr(Math.floor(Math.random() * 0xb), 1);

	    }

	   var uuid = s.join("");

	    document.getElementById("ic").value=uuid;

	}*/