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JavaScript if/else Statement - W3Schools
The if/else statement is a part of JavaScript's "Conditional" Statements, which are used to perform different actions based on different conditions. In JavaScript we have the following conditional statements: Use if to specify a block of code to be executed, if a specified condition is true; Use else to specify a block of code to be executed ...
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if...else - JavaScript | MDN - MDN Web Docs
Statement that is executed if condition is truthy. Can be any statement, including further nested if statements. To execute multiple statements, use a block statement ({ /* ... */ }) to group those statements. To execute no statements, use an empty statement. statement2. Statement that is executed if condition is falsy and the else clause exists.
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How to use OR condition in a JavaScript IF statement?
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JavaScript - Conditional Statements - GeeksforGeeks
JavaScript conditional statements allow you to execute specific blocks of code based on conditions. If the condition is met, a particular block of code will run; otherwise, another block of code will execute based on the condition. 1. Using if Statement. The if statement is used to evaluate a particular condition.
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JavaScript if...else Statement (with Examples) - Programiz
The JavaScript if…else statement is used to execute/skip a block of code based on a condition. In this tutorial, we will learn about the JavaScript if…else statement with examples. Certification courses in Python, Java, SQL, HTML, CSS, JavaScript and DSA.
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JavaScript if Statement - JavaScript Tutorial
If the condition is a non-boolean value, JavaScript will coerce it to a boolean value by calling the Boolean() function. If you have more than one statement to execute, you need to wrap them in a block using a pair of curly braces ( {} ) as follows:
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Conditional branching: if, - The Modern JavaScript Tutorial
In the code above, JavaScript first checks year < 2015. If that is falsy, it goes to the next condition year > 2015. If that is also falsy, it shows the last alert. There can be more else if blocks. The final else is optional. Conditional operator ‘?’ Sometimes, we need to assign a variable depending on a condition. For instance:
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How to Use If Statements in JavaScript – a Beginner's Guide
JavaScript is a powerful and versatile programming language that is widely used for creating dynamic and interactive web pages. One of the fundamental building blocks of JavaScript programming is the if statement.if statements allow developers to control the flow of their programs by making decisions based on certain conditions.. In this article, we will explore the basics of if statements in ...
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JavaScript Conditionals: The Basics with Examples | JavaScript.com
Conditional statements control behavior in JavaScript and determine whether or not pieces of code can run. There are multiple different types of conditionals in JavaScript including: “If” statements: where if a condition is true it is used to specify execution for a block of code.
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JavaScript if else Statements - TutorialsTeacher.com
Use if-else conditional statements to control the program flow. JavaScript includes three forms of if condition: if condition, if else condition and else if condition. The if condition must have conditional expression in brackets followed by single statement or code block wrapped with .'else if' statement must be placed after if condition.