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This article mainly introduces "how javascript compares the size of numbers". In the daily operation, I believe many people have doubts about how to compare the size of numbers in javascript. The editor 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 doubts of "how to compare numbers in javascript". Next, please follow the editor to study!

The method of comparing the size of javascript: 1, using parseInt to compare the size of integers; 2, comparing the size of decimals through parseFloat.

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

How does javascript compare size?

Js compares the size of numbers, or the size of decimals

JS must not compare numbers directly when comparing numbers.

But to convert, because the JS is var this is a weak type, the default is string, all comparisons will occur errors.

There are two conversions in JS, parseFloat and parseInt.

When comparing, I want to do the following.

The integers are as follows:

If (parseInt (xxx) > parseInt (xxxx)) {}

Decimals can be like this.

If (parseFloat (xxx) > parseFloat (xxxx)) {} at this point, the study on "how javascript compares the size of numbers" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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