how to check if a number is float javascript
function isInt(n){
return Number(n) === n && n % 1 === 0;
}
function isFloat(n){
return Number(n) === n && n % 1 !== 0;
}how to check if a number is float javascript
function isInt(n){
return Number(n) === n && n % 1 === 0;
}
function isFloat(n){
return Number(n) === n && n % 1 !== 0;
}float js precision
// JavaScript uses the 64-bit IEEE-754 floating point standard for storing numbers
const num = 314.15926535;
// toFixed(n) will convert a float to a string with n digits after the decimal point
num.toFixed() // "314" (same as num.toFixed(0))
num.toFixed(2) // "314.16"
num.toFixed(6) // "314.159265"
// toPrecision(n) will convert a float to a string with n digits total
num.toPrecision() // "314.15926535" (same as input)
num.toPrecision(2) // "3.1e+2" (sometimes will be in scientific notation)
num.toPrecision(6) // "314.159"Copyright © 2021 Codeinu
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