What are JavaScript expressions and operators

This article mainly introduces "what are JavaScript expressions and operators". In daily operation, I believe that many people have doubts about JavaScript expressions and operators. Xiaobian consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the questions of "what are JavaScript expressions and operators?" Next, please follow the editor to study!

JavaScript expressions and JavaScript operators

1. JavaScript expression

After defining variables, they can be assigned, changed, calculated and other operations, this process is usually called a JavaScript expression to complete, it can be said that it is a collection of variables, constants, Boolean and JavaScript operators, so JavaScript expressions can be divided into arithmetic expressions, string expressions, assignment expressions and Boolean expressions.

2. JavaScript operator

The functions and usage of each JavaScript operator are shown in Table 2-1.

Table 2-1 JavaScript operators commonly used in JavaScript

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