//指定补2位,不够的加0,超出的不管 console.log(i.toString().padStart(2, '0')) // 输出1是01,11是11,101是101 //指定补3位 console.log(i.toString().padStart(3, '0')) // 输出1是001,11是011,101是101 } 例子三:1到32000,梯度1000 for(let i = 1 ; i < 32000 ; i+=1000){ /...
ES2017 added two new string functions. They arepadStartandpadEndfunctions. In this lesson, we will understand how to use these functions and a few usecases to demonstarte the power they offer. const names = ['Joe', 'Pad', 'Sara'] const marks= [2, 30, 190] const passOrFail= ["Fail...
6.3 String() 把对象的值转换为字符串 console.log(typeof String(123)); console.log(String("123px")); console.log(String(true)); console.log(String(false)); console.log(String(1)); console.log(String(0)); console.log(String(undefined)); console.log(String(Infinity)); 数学运算符 运算...
passed by Powershellconsole.log(typeoffilestr);//logs type as string, see belowletfiles = filestr.split(",");for(leti =0; i < files.length; i++) {try{letscript =DriveApp.getFileById(files[i])
*{ /* 页面默认会带有一些外边距和内部边距,使用*表示所有元素默认外内边距为0 */ margin: 0px; padding: 0px; } div#father1{ width: 100px;height: 100px; background-color: skyblue; color: white; text-align: center;line-height: 100px; ...
viewport string | object | function { selector: 'body', padding: 0 } Keeps the tooltip within the bounds of this element. Example: viewport: '#viewport' or { "selector": "#viewport", "padding": 0 } If a function is given, it is called with the triggering element DOM node as its...
padding: 0 5px; border-radius: 4px; border: 2px solid white; box-shadow: 0 0 6px rgba(0, 0, 0, 0.4); color: white; background-color: #F56C6C; } let replaceHTMLChar = s => s.toString().replace(/\ /g, " ").replace...
padding函数是专门针对字符串而不是数字的,所以,我们需要先将数字转换为字符串。 / 价格 / 让我们看一下显示价格的初始代码。 代码语言:javascript 复制 constrmb=10;constcents=1;console.log("￥"+rmb+"."+cents);//￥10.1 要填充分,我们需要先将其转换为字符串,然后调用padStart()函数,指定长度为1且填充...
str_repeat(chr($padding), $padding); } function pkcs7unpad($message) { $padding = ord(substr($message, -1)); //get last char and transform it to Int return substr($message, 0, -$padding); //remove the last 'padding' string } function encrypt ($message, $method, $secret, &$...
viewport string | object | function { selector: 'body', padding: 0 } Keeps the tooltip within the bounds of this element. Example: viewport: '#viewport' or { "selector": "#viewport", "padding": 0 } If a function is given, it is called with the triggering element DOM node as its...