function arrHasvalue(arr) {
var nary = ary.sort();
for (var i = 0; i < ary.length; i++) {
if (nary[i] == nary[i + 1]) {
// console.log("数组重复内容：" + nary[i]);
return true;
}else{
return false;
}
}
}
var ary = new Array("111", "22", "33", "111");
console.log(arrHasvalue(ary)); //111