javascript float to int code example

Example 1: 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

Example 2: get the whole value of a number javascript

var value = 2.9802453587962963;
var wholeNum = Math.floor(value);
console.log(wholeNum);  // output ==> 2

Example 3: javascript quick float to integer

console.log(23.9 | 0);  // Result: 23
console.log(-23.9 | 0); // Result: -23

Example 4: javascript number length

var num = 1234
number.toString().length; // 4

Example 5: js int

var myInt = 69420

1+1//int
1+"1"//string