JavaScript字符串padstart 的相关内容

文章 2023-12-11 来自：开发者社区

JS字符串补全方法padStart()和padEnd()简介

一、关于字符串补全在JS中，字符串补全是常用操作，用的比较多的就是时间或者日期前面的补0。例如，日期，我们多采用4-2-2的表示形式，例如：2018-07-23当我们使用时间戳进行月份获取的时候，是没有前面的0的，例如：var month = new Date().getMonth() + 1; // 结果是7此时，就需要进行补全，通常做法是这样：if (month &a...

文章 2022-07-29 来自：开发者社区

【Vue.js 入门与实战】--字符串的padStart方法使用

字符串的padStart方法使用 目录一、具体方法二、方法演示 一、具体方法可以看到时间的16点08分，一般来说，时间和年月份不足两位，需要补齐两位。所以这时我们需要学习ES6中的字符串新方法:String.prototype padStart (naxlength fillString=' ’) 第一个参数表示填充完之后字符串的总长度，例如图中的8不够两位，我们需要补足两位....

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更新时间 2024-04-30 14:02:16

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