js map & Number & trim All In One

js map & Number & trim All In One

js map & Number

Array

const regionIds = `1,2,3`;
// "1,2,3"

regionIds.split(',').map(Number);
// (3) [1, 2, 3]

trim

const nums = `
 111 ,
 222 ,
 333,
`;

nums.split(',').map(item => item.trim()).filter(str => str.length);
// (3) ['111', '222', '333']

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/Trim

refs

https://www.cnblogs.com/xgqfrms/p/16015408.html

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refs

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©xgqfrms 2012-2020

www.cnblogs.com 发布文章使用：只允许注册用户才可以访问！

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