Home > Web Front-end > JS Tutorial > Introduction to If...Else conditional statements in JavaScript

Introduction to If...Else conditional statements in JavaScript

巴扎黑
Release: 2017-08-10 13:56:19
Original
1377 people have browsed it

[Introduction] When you write code, you often need to complete different behaviors based on different conditions. You can use conditional statements in your code to accomplish this task. In JavaScript, we can use the following types of conditional statements: if statement executes code when a specified condition is true. if els

When you write code, you often need to complete different behaviors based on different conditions. You can use conditional statements in your code to accomplish this task.

In JavaScript, we can use the following conditional statements:

  • if statement

  • in a specified condition Execute code when established.

  • if...else statement

  • Execute code when the specified condition is true, and execute other code when the condition is not true.

  • if...else if....else statement

  • Use this statement to choose to execute one of several blocks of code.

  • switch statement

  • Use this statement to choose to execute one of several blocks of code.

If statement


The above is the detailed content of Introduction to If...Else conditional statements in JavaScript. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template