For example, let num = 4; // if condition if (num % 2 == 0) console.log("even number"); else console.log("odd number"); // Output: even number Run Code JavaScript else if StatementWe can use the else if keyword to check for multiple conditions.The syntax of the else if ...
Syntax if(condition1) { //block of code to be executed if condition1 is true }elseif(condition2) { //block of code to be executed if the condition1 is false and condition2 is true }else{ //block of code to be executed if the condition1 is false and condition2 is false ...
The syntax of else is pretty much similar to if— just remove the condition as it's not required: if (expression) statement; elsestatement; Alright, let's consider an example using else. We'll bring our rainy day example back and extend it to show two alerts — one when it is raining...
} Caveat to the syntaxsomeBoolean && "stuff": if by mistake,someBooleanis set to0orNaN, that Number will be rendered to the DOM .因此,如果“布尔值”可能是一个虚假的Number,那么使用(someBoolean ? "stuff" : null)会更安全。
syntax of i f statement is as follows if (condition) { code to be executed; //if conditionis true } The example below shows anif construct. <!-- /* *** Example If else construct .com *** */ vard = (); var time = d.get...
Syntaxif (condition1) { block of code to be executed if condition1 is true } else if (condition2) { block of code to be executed if the condition1 is false and condition2 is true } else { block of code to be executed if the condition1 is false and condition2 is false }...
ANTLR (ANother Tool for Language Recognition) 是一个强大的解析器的生成器，可以用来读取、处理、执行...
} else { x = -y; } 1. 2. 3. 4. 5. 6. 类似if语句功能的表达式叫做条件运算符.上面的语句等价于下面的. AI检测代码解析 var x = (y >= 0 ? y : -y); 1. 在等于号=和分号;之间的代码就是条件表达式.两边的小括号不是必需的,但我觉得小括号能让条件表达式更易读. ...
The simplest kind of JavaScript Else if statement is described below: Single If – Else if statements The following syntax is used for single If – Else If statement: Empower your team. Lead the industry. Get a subscription to a library of online courses and digital learning tools for your ...
SyntaxError: invalid syntax 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 其他的关系运算符如下 大于等于 >= 小于等于 <= elif在其他语言中叫 “ else if ”,python简化了这个表达式,elif一般是用来判断多个表达式的,也就是说在一个判断语句中可以有多elif,这个也有点类似于其他语言的swit...