<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<script>
var arr=[
{
"city":"\\u5357\\u6d54\\u533a",
"code":"330503",
"id":"289",
"initial":"N",
"provincecode":"330000"
},
{
"city":"\\u5fb7\\u6e05\\u53bf",
"code":"330521",
"id":"312",
"initial":"D",
"provincecode":"330000"
},
{
"city":"\\u5434\\u5174\\u533a",
"code":"330502",
"id":"329",
"initial":"W",
"provincecode":"330000"
},
{
"city":"\\u957f\\u5174\\u53bf",
"code":"330522",
"id":"333",
"initial":"Z",
"provincecode":"330000"
},
{
"city":"\\u5b89\\u5409\\u53bf",
"code":"330523",
"id":"342",
"initial":"A",
"provincecode":"330000"
}
]
//循环
for(var i=0;i<arr.length;i++){
arr[i].city=unescape(arr[i].city.replace(/\\/g,"%"));
}
console.log(arr)
// 得到对应的名字
</script>
</body>
</html>