[英]How can I format numbers in a specific way?
I want to format my numbers and I want these results. 我想格式化我的数字,我想要这些结果。
I have tried .toFixed(2)
but it didn't yield the expected results. 我已经尝试过
.toFixed(2)
但是没有产生预期的结果。
Input Result
50.000 => 50
50.900 => 50.9
50.940 => 50.94
50.941 => 50.94
Something like 0.##
as formatting but in JavaScript. 像
0.##
这样的格式,但是使用JavaScript。
function decimalFunction() { console.log('click'); var myvalue = document.getElementById('myInput').value; var decimal = Math.round(myvalue * 100) / 100 document.getElementById('result').innerHTML = decimal; }
<input id="myInput" type="text"/> <button onclick="decimalFunction()">Submit</button> <div id="result"></div>
Math.round(inputNumber * 100) / 100
Input: 50.000, 50.900, 50.940, 50.941 输入:50.000、50.900、50.940、50.941
Output: 50, 50.9, 50.94, 50.94 输出:50、50.9、50.94、50.94
You should be able to use 您应该可以使用
parseFloat(num.toFixed(2));
to 至
change you number to string. 将您的号码更改为字符串。 After some string operations you can get correct result
经过一些字符串操作,您可以获得正确的结果
<script language="Javascript">
var data = 50.947;
var res = data.toString().substring(0, data.toString().indexOf('.') + 3);
alert(res);
</script>
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