16 lines
307 B
JavaScript
16 lines
307 B
JavaScript
// findIndex(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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// 返回第1个满足 score >= 60 条件的索引
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const rst = stus.findIndex(item => { return item.score >= 60 })
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console.log(rst)
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/*
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# node findIndex.js
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1
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*/ |