How to use JS in depth? Summary of JS in-depth example usage

1. JS flow control statement (1), if judgment The if statement executes the corresponding code only when the condition is true. The if...else statement is the code after if is executed when the specified condition is true, and the code after else is executed when the condition is not true. If...else Nested statements select one of the corresponding code blocks to execute under multiple conditions. The if statement is suitable for any type of data and can handle complex logical relationships. (2). Switch statement When there are many choices, switch is more convenient to use than if...else. It has a simple structure and is specially designed for multiple choices, but it can only handle multiple enumerated logical relationships. This statement can also be completed using if, it depends on personal preference. The working principle of the switch statement: first create an expression, usually a variable, and then compare the value of the expression with the value of each case in the switch statement. If it matches, the statement after the case is executed. If it matches all case values, If there is no match, the statement after default will be executed. Using swi

1. JavaScript learning summary [4] JS in-depth

##Introduction: When there are many choices, switch is more convenient to use than if...else. It has a simple structure and is specially designed for multiple choices, but it can only handle multiple enumerated logical relationships. This statement can also be completed using if, it depends on personal preference.

2. AngularJS deep dive into scope, inheritance structure, event system and life cycle

Introduction: AngularJS Dive into scope, inheritance structure, event system and life cycle

3. require.jsDive into require.js Feature introduction_javascript class library

Introduction: This article mainly introduces an in-depth understanding of require.js, an introduction to require.js features, and explains the features of require.js and CommonJS Compatibility, CDN fallback, circular dependencies, BaseUrl, JSONP and other contents, friends in need can refer to

[Related Q&A recommendations]:

javascript - A little doubt about nodejs explained in simple terms

The above is the detailed content of How to use JS in depth? Summary of JS in-depth example usage. For more information, please follow other related articles on the PHP Chinese website!