Welcome To Ask or Share your Answers For Others

js 判断一个数组是否存在空的元素

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

['1','2','']
js 怎么判断数组里是否有空

与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…

3.1k views

Welcome To Ask or Share your Answers For Others

1 Answer

answered Jan 24, 2021 by 深蓝 (71.8m points)

随便给你写几种

['1','2',''].some(r => r==='')
['1','2',''].find(r => r==='') ===''
!['1','2',''].every(r => r!=='')
['1','2',''].includes('')

与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…

...