<script type="text/javascript"> var arr = [ {key: 1, value: "10"}, {key: 2, value: "20"}, {key: 3, value: "30"} ]; var newArr = arr.map(function(obj,index,array) { var rObj=[]; rObj=obj.value; return rObj; }); console.log(newArr); </script>输出结果:["10", "20", "30"]