javascript的toString()
来自万能的stackoverflow分享过来var JSON = {};JSON.stringify = JSON.stringify || function (obj) { var t = typeof (obj); if (t != "object" || obj === null) { // simple data type if (t == "string") obj = '"'+obj+'"'; return String(obj); } else { // recurse array or object var n, v, json = [], arr = (obj && obj.constructor == Array); for (n in obj) { v = obj; t = typeof(v); if (t == "string") v = '"'+v+'"'; else if (t == "object" && v !== null) v = JSON.stringify(v); json.push((arr ? "" : '"' + n + '":') + String(v)); } return (arr ? "[" : "{") + String(json) + (arr ? "]" : "}"); }};var tmp = {one: 1, two: "2"};console.log(JSON.stringify(tmp)); // '{"one":1,"two":"2"}'var obj1 = {"name":"robin", location:{"city":"chengdu","desc":"javaer"}}console.log(JSON.stringify(obj1)); // '{"name":"robin","location":{"city":"chengdu","desc":"javaer"}}'var obj2 = {"name":"robin", location:{"city":"chengdu","job":{"titile":"jee","company":"cccc"}}}console.log(JSON.stringify(obj2)); // '{"name":"robin","location":{"city":"chengdu","job":{"titile":"jee","company":"cccc"}}}'
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