How to keep two decimal places in javascript (without rounding)

Implementation method: 1. Use the parseInt() and toFixed() functions, the syntax is "(parseInt(decimal value*100)/100).toFixed(2)"; 2. Use the floor() of the Math object Function, syntax "Math.floor(decimal value*100)/100".

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

javascript Keep two decimal places (and not round)

In javascript, if you want to process a number, keep it without rounding Two decimal places. Here’s an introduction to the method:

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

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

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

var a = 2.466;
var b = Math.floor(a*100)/100;
console.log(b);

More examples:

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