转载链接：https://blog.csdn.net/lihefei_coder/article/details/82499520
//第一种方式 var key = ‘name‘; var json = {}; json[key] = ‘zhangshan‘; console.log(json.name); //第二种方式 var key = ‘name‘; var json = { [key]: ‘zhangshan‘ }; console.log(json.name);
原文：https://www.cnblogs.com/XingXiaoMeng/p/11839306.html