convert decimal to int javascript code example

Example 1: javascript convert 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

Example 2: Javascript string to int

var myInt = parseInt("10.256"); //10
var myFloat = parseFloat("10.256"); //10.256

Example 3: how to change a string to number in javascript

let theInt = parseInt("5.90123"); //5
let theFloat = parseFloat("5.90123"); //5.90123