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Introduction to the example method of implementing decimal rounding in js

零下一度Original: 2017-06-15 13:31:541251browse

This article mainly introduces the implementation of a very simple decimal rounding function in javascript, and analyzes the related operation skills of javascript mathematical operation rounding in the form of specific examples. Friends in need can refer to the following

The examples in this article describe JavaScript implements a very simple decimal rounding function. 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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