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);

 

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