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This article mainly explains "how to add javascript". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to add javascript.

Javascript to achieve addition methods: 1, to create a front-end example file; 2, through the Number () function to transform the string; 3, the use of "alert (Number (a) + b);" the specified number can be added.

This article operating environment: windows7 system, javascript1.8.5 version, Dell G3 computer.

How does javascript add?

First, let's take a look at the following addition operation:

In such a case, the result is:

But if we encounter the following situation:

So the value we get is the concatenation of the string:

Then in this case we need to transform the string with Number ():

Get the correct value:

At this point, I believe you have a deeper understanding of "how to add javascript". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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