我有一个对象数组,我想在其中找到某些元素并将它们放在开头或数组中。我开始使用 find 函数来做它并且它起作用了,但是现在因为可以有多个元素我切换到过滤器函数但是,现在它停止工作了,我该如何解决这个问题?
输入示例:
colors= [
{name: "green", popular: true},
{name: "yellow", popular: false},
{name: "red", popular: true},
{name: "black", popular: true},
{name: "red", popular: true}
]
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功能:
sort(colors) {
let red= colors.filter(color=> colors.name === "red")
if(red){
colors.sort(function(x,y){ return x == red? -1 : y == red? 1 : 0; });
}
return colors
}
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预期输出:
colors= [
{name: "red", popular: true},
{name: "red", popular: true},
{name: "green", popular: true},
{name: "yellow", popular: false},
{name: "black", popular: true}
]
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通过使用过滤器 …