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10 lines
222 B
10 lines
222 B
3 years ago
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/**
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* @description: 判断是不是一个有效值
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* @param {*} val
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* @return {Boolean}
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* @example: isDef(1) // true
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*/
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export default function isDef(val) {
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return val !== undefined && val !== null && val !== '';
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}
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