字符组 str["1","2","3","4","5"] 怎么转为Number数组
转为 num[1,2,3,4,5]
相关问题
相关文档
- Fast implementation of binding mobile phone number: Mini Program/Development/Extended/Getting Started/How to bind the phone number
- Get Local Phone Number Mask: Mini Program/Development/Extended/API/Identity Management API/Get Local Phone Number Mask
- Local Number One Click Login: Mini Program/Development/Extended/assembly/New Components for Multiterminal Framework/Local Number One Click Login
- Command.elemMatch:#示例代码：数组是对象数组的情况: 小程序/开发/云托管/开发者资源/SDK 文档/数据库/Command/查询·数组操作符/elemMatch
- Command.all:#示例代码 1：普通数组: 小程序/开发/云托管/开发者资源/SDK 文档/数据库/Command/查询·数组操作符/all
Array.from(str[1,2,3,4,5], item => Number(item))
lz如果你是json.stringify转换过来的["1","2","3","4","5"]并不是数组，而是字符串。如果是这种情况要先把它转为json数组，再把该json数组（字符串数组）转为int数组就行了。
for (let i = 0; i < 5; i ++) { num[i] = parseInt(str[i]) } //是这样？JS基础了
百度先学下吧，不然后面遇到你又麻了