1、单行 If-Else 语句(三元运算符) 这是许多编程语言的共同特征。你可以使用三元运算符用一行代码编写整个语句,而不是在多行上编写 if-else。例如: const age = 12; let ageGroup; // LONG FORM if (age > 18) { ageGroup = "An adult"; } else { ageGroup = "A child"; } // SHORTHAND ageG...
译者:王二狗 博客:掘金、思否、知乎、简书、CSDN 点赞再看,养成习惯,你们的支持是我持续分享的最大动力 原文链接:sitepoint.com/shorthand三元操作符 使用三元操作符可以让你的if...else多行语句变成一行 简化前: const x = 20; let answer; if (x > 10) { answer = "greater than 10"; } else ...
if (frame) console.warn(frame); } else { console.warn(message); } }};onwarn类型: (warning: RollupLog, defaultHandler: (warning: string | RollupLog) => void) => void;一个函数,用于拦截警告信息。它与 onLog 非常相似,但只接收警告。如果调用默认处理程序,日志将被处理为警告。如果提供了...
else if (element.slotScope) { currentParent.plain = false const name = element.slotTarget || '"default"' (currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element} 然后在 renderMixin 函数中对 vm.$scopedSlots 进行了如下赋值：// src/core/instance/render.js...
Short-circuit evaluation shorthand handles conditions in JavaScript. In JavaScript, when you use `&&` (AND) and `||` (OR) operators, the first condition is checked first. If the result can be determined from the first condition, the second one is not checked. ...
else… 普通的python的if else语句是这样的: if condition_1: 语句块 elif condition_2: 语句块 else: 语句块...最少需要四行来完成这个语句 但是一些简单的语句不需要这么复杂 语句简化: true的语句 if 条件表达式 else false的语句 如果条件表达式为True,则执行...] >>> y = [(i*2) for i in x ]...
if(marks >= 30){ result = 'Pass'; }else{ result = 'Fail'; }...//Longhand console.log('JavaScript, often abbreviated as JS, is a\n' + 'programming language that conforms...just-in-time compiled, and multi-paradigm.' ); //Shorthand console.log(`JavaScript, often abbreviated as JS...
Last commit date Latest commit yne and mwh Add fromjson/0 Nov 17, 2024 b9ef083·Nov 17, 2024 History 74 Commits CITATION.cff Add CFF citation file Oct 22, 2023 LICENSE.txt Add MIT licence to code Oct 19, 2018 README.md Add if-then-else construct ...
if (error) { console.log(error, errorDesc); authContext.acquireTokenPopup( "https://graph.microsoft.com", null, // extraQueryParameters null, // claims function (errorDesc, token, error) { if (error) { console.log(error, errorDesc); } else { console.log(token); } } ); } else ...
//禁止不必要的嵌套块 "no-lonely-if" : 2, //禁止else语句内只有if语句 "no-loop-func" : 1, //禁止在循环中使用函数(如果没有引用外部变量不形成闭包就可以) "no-mixed-requires" : [ 0, false ], //声明时不能混用声明类型 "no-mixed-spaces-and-tabs": [ 2, false ], //禁止混用tab和空...