JavaScript Object.entries()方法用于返回给定对象自己的可枚举属性[key,value]对的数组。属性的顺序与手动遍历对象的属性值所给出的顺序相同。
Object.entries(obj)
obj:这是要返回其可枚举属性[key,value]对的对象。
此方法返回给定对象自己的可枚举属性[key,value]对的数组。
链接:https://www.learnfk.comhttps://www.learnfk.com/javascript/javascript-object-entries-method.html
来源:LearnFk无涯教程网
Chrome | 38 |
Edge | yes |
Firefox | 28 |
Opera | no |
const obj = { 10: 'arry', 21: 'barry', 23: 'carry' }; console.log(Object.entries(obj)[2]);
输出:
["23", "carry"]
// creating an object constructor. //and assigning values to it. const obj = { 1: 'marrc', 2: 'sort', 3: 'carry' }; //Displaying the countable property [key, value] //pairs of the object using object.entries() method. console.log(Object.entries(obj)[2]);//access obj.
输出:
["3", "carry"]
//creating an object constructor. //and assigning values to it. const obj2 = { 10: 'arvind', 2: 'rahul', 7: 'Ankit' }; //Displaying the countable property [key, value] //pairs of the object using object.entries() method. console.log(Object.entries(obj2)[2]);
输出:
["10", "arvind"]
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