10 lines
287 B
JavaScript
10 lines
287 B
JavaScript
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// 截取数组元素，拼接成字符串并返回
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module.exports = (arr, start, end) => {
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let newString = '';
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arr.forEach((element, index) => {
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if (index >= start && index <= end) {
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newString = newString + element;
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}
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});
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return newString;
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};
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