25 lines
513 B
JavaScript
25 lines
513 B
JavaScript
// find(callbackFn)
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const stus = [
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{ name: '张三', score: 59 },
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{ name: '老钟', score: 95 },
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{ name: 'SB', score: 80 }
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];
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// 筛选第一个 score >= 60 的信息
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const rst = stus.find(item => { return item.score >= 60 })
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console.log(rst)
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// 浅表拷贝，rst的修改，会导致stus中对应数据的修改
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rst.score = 100
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console.log(stus)
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/*
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# node find.js
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{ name: '老钟', score: 95 }
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[
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{ name: '张三', score: 59 },
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{ name: '老钟', score: 100 },
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{ name: 'SB', score: 80 }
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]
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*/ |