This article mainly introducesjavascript to implement a very simple decimal rounding function, and analyzes the related operation skills of JavaScript mathematical operations rounding based on specific examples. Friends who need it can For reference,
The example in this article describes how to implement a very simple decimal rounding function in javascript. Share it with everyone for your reference, the details are as follows:
JS core code:
function truncateNumber(n){ return n|0; }
Usage example:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>JS小数取整</title> </head> <body> <script > function truncateNumber(n){ return n|0; } console.log(truncateNumber(12.345)); </script> </body> </html>
The operation effect diagram is as follows:
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