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如何创建节点变量的对象,初始化相同的值

简化创建的iconArray这个对象

var iconArray =
    {
        icona: document.createElement('div'),
        iconb: document.createElement('div'),
        iconc: document.createElement('div')
    }

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by (71.8m points)

你这不是相同的值……是三个不同的对象引用啊。

也许你想的是这样?

var iconArray = ['icona', 'iconb', 'iconc'];
var iconObject = Object.fromEntries(iconArray.map(key => [key, document.createElement('div')]));

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