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var arrys=["abc","abc","ccc","ttt"];
//我怎么判断arrys里是否有重复呢,因arrys是动态push(values)创建的
//要求正则
var valayyr=["abc","abc","ccc","ttt"];
var flag = true;
if (valayyr.length > 0) {
for (var i = 0; i < valayyr.length - 1; i++) {
for (var j = i + 1; j < valayyr.length; j++) {
if (valayyr[i] == valayyr[j]) {
flag = false;
break;
}
}
}
}
var arrys=["abc","abc","ccc","ttt"];
alert(/(`.+?`).*\1/.test("`"+arrys.join("`~`")+"`"));