Answers for "int and float in javascript"

2

javascript int to float

var int = 10;
var float = parseFloat(int).toFixed(2);
console.log(float); // 10.00
var threedots = 8;
var float2 = parseFloat(threedots).toFixed(3);
console.log(float2); // 8.000
Posted by: Guest on June-19-2021
14

javascript float to int

function float2int (value) {
    return value | 0;
}

float2int(3.75); //3 - always just truncates decimals

//other options
Math.floor( 3.75 );//3 - goes to floor , note (-3.75 = -4)
Math.ceil( 3.75 ); //4 - goes to ceiling, note (-3.75 = -3)
Math.round( 3.75 );//4
Posted by: Guest on July-24-2019
1

float in js

var a = parseFloat("10")
var b = parseFloat("10.00")
var c = 
  parseFloat("10.33")
var d = parseFloat("34 45 66")
var e = parseFloat(" 
  60 ")
var f = parseFloat("40 years")
var g = parseFloat("He was 40")
Posted by: Guest on April-02-2021
1

javascript float to int

// x = Number.MAX_SAFE_INTEGER/10 * -1 // -900719925474099.1

// value = x      // x=-900719925474099   x=-900719925474099.5 x=-900719925474099.6

Math.floor(value) // -900719925474099     -900719925474100     -900719925474100
Math.ceil(value)  // -900719925474099     -900719925474099     -900719925474099
Math.round(value) // -900719925474099     -900719925474099     -900719925474100
Math.trunc(value) // -900719925474099     -900719925474099     -900719925474099
parseInt(value)   // -900719925474099     -900719925474099     -900719925474099
value | 0         // -858993459           -858993459           -858993459
~~value           // -858993459           -858993459           -858993459
value >> 0        // -858993459           -858993459           -858993459
value >>> 0       //  3435973837           3435973837           3435973837
value - value % 1 // -900719925474099     -900719925474099     -900719925474099
Posted by: Guest on July-27-2021

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