How javascript retains two decimal places

In this article, the editor introduces in detail "how javascript retains two decimal places". The content is detailed, the steps are clear, and the details are handled properly. I hope this "javascript how to retain two decimal places" article can help you solve your doubts.

Implementation method: 1, the use of parseInt () and toFixed () function, syntax "(parseInt (decimal value * 100) / 100) .tofixed (2)"; 2, the use of Math object floor () function, syntax "Math.floor (decimal value * 100) / 100".

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

Javascript retains two decimal places (and not rounded)

In javascript, two decimal places are retained if you want to deal with a number that is not rounded. Here's how to do it:

Method 1: using parseInt () and toFixed () functions

Var a = 2.466 X var b = (parseInt (a * 100) / 100). ToFixed (2); console.log (b); / / 2.46

Method 2: use the floor () function of the Math object

Var a = 2.466 Singapore var b = Math.floor (astat100) / 100 shareholders console.log (b)

More examples:

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