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Today Xiaobian to share with you about the use of JavaScript variables and operators of the relevant knowledge, detailed content, clear logic, I believe that most people still know too much about this knowledge, so share this article for your reference, I hope you have something to gain after reading this article, let's take a look at it.

JavaScript variable

In a programming language, variables are used to store data values.

JavaScript uses the keyword var to define variables and uses the equal sign to assign values to variables:

Varx,length

Xero5

Length=6

Variables can be accessed through variable names. In imperative languages, variables are usually variable. The literal quantity is a constant value.

The Note variable is a name. The literal quantity is a value.

JavaScript operator

JavaScript uses arithmetic operators to calculate values:

(5 / 6) * 10

JavaScript uses the assignment operator to assign values to variables:

Xero5

Yizhi6

Z = (xfanty) * 10

JavaScript statement

In HTML, the command issued by the JavaScript statement to the browser.

Statements are separated by semicolons:

Xx, 5x, 6.

Y=x*10

JavaScript keyword

The JavaScript keyword identifies the action to be performed.

Like any other programming language, JavaScript reserves some keywords for its own use.

The var keyword tells the browser to create a new variable:

Varx=5+6

Vary=x*10

JavaScript also retains some keywords that are not used in the current language version, but will be used in future JavaScript extensions.

These are all the contents of the article "how to use JavaScript variables and operators". Thank you for reading! I believe you will gain a lot after reading this article. The editor will update different knowledge for you every day. If you want to learn more knowledge, please pay attention to the industry information channel.

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