查找并删除Javascript对象数组中的第一个匹配元素 [英] Find and remove first matching element in an array of Javascript objects

问题描述

假设我有一个数组:

    members = [
        {name: 'Anna', class: 'one'}, 
        {name: 'Bob', class: 'two'},  
        {name: 'Chuck', class: 'two'}];

    removed = members.myRemoveByClass('two');     //something like

    // removed is {name: 'Bob', class: 'two'} 
    // members is [{name: 'Anna', class: 'one'}, {name: 'Chuck', class: 'two'}]

我正在寻找 myRemoveByClass 的东西.ES2015很好或使用Lodash.该阵列将已经订购.无.com/questions/10457264/how-to-find-first-element-of-array-matching-a-boolean-condition-in-javascript>问题我已经匹配我是

I'm looking for something for myRemoveByClass. ES2015 is fine or using Lodash. The array will have been ordered already. None of the questions I've seen quite match what I'm looking for.

推荐答案

您可以创建自己的Array类:

You could create your own Array class:

 class Members extends Array {
   removeByClass(className) {
     for(const [index, member] of this.entries())
        if(member.class === className) 
           return this.splice(index, 1)[0];
   }
}

用作

 const members = new Members([ {/*...*/}, {/*...*/} ]);
 members.removeByClass("...");

PS:类"是一个非常糟糕的名称，因为它是保留关键字

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