find largest number in array js code example

Example 1: javascript largest number in array

const max = arr => Math.max(...arr);

Example 2: get largest number in array javascript

const array1 = [1, 3, 2];

Math.max(...array1);
// expected output: 3

Example 3: find second largest number in array javascript

var secondMax = function (arr){ 
    var max = Math.max.apply(null, arr), // get the max of the array
        maxi = arr.indexOf(max);
    arr[maxi] = -Infinity; // replace max in the array with -infinity
    var secondMax = Math.max.apply(null, arr); // get the new max 
    arr[maxi] = max;
    return secondMax;
};

Example 4: function that search a biggest value in array javascript

function maisBaratosQue(valor, precos) {
   return precos.filter(p => p <= valor);
}

Example 5: rite a function that takes in an array of numbers and outputs the maximum number.

function largestOfFour(arr) {
  return arr;
}
largestOfFour([[4, 5, 1, 3], [13, 27, 18, 26], [32, 35, 37, 39], [1000, 1001, 857, 1]]);