do…while 语句创建一个执行指定语句的循环,直到condition值为 false。在执行statement 后检测condition,所以指定的statement至少执行一次。简而言之 先执行代码部分然后再判断 statement 执行至少一次的语句,并在每次 condition 值为真时重新执行。想执行多行语句,可使用block语句({ … })包裹这些语句。 condition 循环中...
// Code to execute if condition is true } else { // Code to execute if condition is false } 在这个if-else语句中,如果“condition”是true,第一个代码块就会执行。如果“condition”是false,第二个代码块就会执行。 JavaScript还提供了if-else if语句,允许在多个条件之间进行选择。以下是一个示例if-else...
if(condition) { //block of code to be executed if the condition is true } Note thatifis in lowercase letters. Uppercase letters (If or IF) will generate a JavaScript error. Example Make a "Good day" greeting if the hour is less than 18:00: ...
You attach a statement that is going to be executed if the if condition is false:if (true) { //do something } else { //do something else }Since else accepts a statement, you can nest another if/else statement inside it:if (a === true) { //do something } else if (b === ...
代码语言:txt 复制 const result = condition ? value1 : value2; // 根据条件的真假返回不同的值 这些方法可以根据具体的情况选择使用,以简化和优化多个if条件语句的代码。在实际应用中,可以根据代码的复杂度和可读性来选择最适合的重构方法。 腾讯云相关产品和产品介绍链接地址: 云函数(Serverless):https://clou...
如何在PIG拉丁语的CASE语句中给出或检查多个条件(FOR tt.trxn = 'P' AND ip.crdate = dtd.podate)。 浏览2提问于2015-06-17得票数 0 1回答 IF语句中的Excel串联逻辑条件 如何在Excel的IF语句中连接多个条件?我想要比较两个不同列中的值,但有多个条件!如果(条件1,condition2;真值;)我不知道它的汉化...
if (condition) { //Code be run when the condition is truthy }Copy Example of Writing an if Statement in JavaScript Let us write a short script to show you how the if statement works within JavaScript. In this script, we will get the current day of the week and use a conditional state...
In this section, we shall see one of the most common conditional statements in JavaScript and programming, in general — the if statement. The if statement executes code if a given condition is true. Here's the syntax of an if statement: if (expression) statement; We start with the if ...
// JavaScript function sendMoney(account, amount) { if (account.balance > amount) { if...
However, as in life, things are rarely black or white… there are always shades of grey.The JavaScript if – else statements also provides for else if clauses through which we can make additional branches to the condition.Sponsored Links...