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This article mainly shows you the "sample analysis of global variables in HTML", which is easy to understand and clear. I hope it can help you solve your doubts. Let me lead you to study and study "sample analysis of global variables in HTML".

Global variables in HTML

In the case of JavaScript, the global scope is the JavaScript environment.

In HTML, the global scope is the window object.

Global variables defined by the var keyword belong to the window object:

Example

Var carName = "porsche"; / / the code here can use window.carName

The global variable defined by the let keyword does not belong to the window object:

Example

Let carName = "porsche"; / / the code here is not available. Window.carName above is all the content of the article "sample Analysis of Global variables in HTML". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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