javascript if statement syntax

JavaScript If ... Else statementconditional statements are used to perform different actions based on different conditions. conditional statementsOften when writing code, you always need to perform different actions for different decisions. You can

One way to "make something happen" is to evaluate an expression with a side effect. Injected assignments and function calls these expressions with side-effects can be used as separate statements, and this expression is also called an expression

Personal Summary: It takes 15 minutes to finish this article, this article introduced the abstract syntax tree and JS engine parsing these syntax tree process, referred to lazy parsing-that is, the process of converting to AST is not directly into

This article starts with the blog Park and continues to update the front-end series on GitHub. Follow me on GitHub, get started and go to the advanced front. The following is the text. If statement of the most basic if

1. Statements and expressionsThere are differences between expressions and statements in JavaScript. An expression produces a value that can be placed anywhere a value is needed, for example, as a parameter to a function call. Each of the following

xdirectory [1]java [2] definition [3] case [4] reserved word [5] note [6] blank [7] semicolon beforeJavaScript is a simple language and a complex language. It's simple because it takes a moment to learn to use it, and it's complicated because it

Document directory Instance 1 Instance 2 Syntax: Instance Syntax: Instance: The Condition Statement in Javascript is used to complete the action under different conditions.Instance If statement How to compile an if statement.

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In front of you to explain a multi-choice ElseIf statement, although this statement can make a variety of judgments, but when used, need to write a lot of if statements, to our program readability inconvenience, in order to avoid the IF statement

1. JavaScript overview 2. JavaScript Introduction method 3. JavaScript Language Specification 4. JavaScript Language Basics 5. JavaScript data type 6. JavaScript operators 7. JavaScript Process Control 8. JavaScript