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Greatest number in a dynamically typed array in JavaScript
We are required to write a JavaScript function that takes in an array that contains some numbers, some strings and some false values. Our function should return the biggest Number from the array.
For example: If the input array is −
const arr = [23, 'hello', undefined, null, 21, 65, NaN, 1, undefined, 'hii'];
Then the output should be 65.
Therefore, let’s write the code for this function −
Example
The code for this will be −
const arr = [23, 'hello', undefined, null, 21, 65, NaN, 1, undefined, 'hii'];
const pickBiggest = arr => {
let max = -Infinity;
for(let i = 0; i < arr.length; i++){
if(!+arr[i]){
continue;
};
max = Math.max(max, +arr[i]);
};
return max;
};
console.log(pickBiggest(arr));Output
The output in the console will be −
65
Updated on: 24-Oct-2020
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