Summary of operator knowledge ...

An expression is a "phrase" in JavaScript language that contains variable names (or litera...

Detailed explanation of the di...

1. Syntax and return method ① The syntax for return control and function result is: return expressio...

Detailed graphic and text expl...

Let’s talk about some simple operation operators + Plus sign: 1. Used to calculate the sum of two nu...

Detailed explanation of some t...

The ternary operator as its name implies requires three operands. The syntax is condition ? result1...

What is the difference between...

I tried if else first, the code is as follows: if(n >= count-1){ n =0; }else{ n ++; } Then I fini...

Summary of the eight types of ...

1. Unary operator 1. delete operator: deletes references to previously defined object properties or ...

Detailed explanation of usage ...

The js AND-OR operator || && is a wonderful tool that can be used to streamline code and red...

How to use javascript or jquer...

The blog system's comments encountered a problem. After the user clicks the "last page" li...

Detailed explanation of how Ja...

For a programming language, it definitely contains variables and data types. Today we will take a lo...

Detailed explanation of javasc...

There are 5 basic data types in JavaScript: Undefined, Null, Boolean, Number, and String. There is a...