float + int in 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: 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")