Answers for "compare two array of numbers js"

14

javascript difference between two arrays

let difference = arr1.filter(x => !arr2.includes(x));
Posted by: Guest on April-03-2020
4

javascript compare two arrays of objects get same elements

var result = result1.filter(function (o1) {
    return result2.some(function (o2) {
        return o1.id === o2.id; // return the ones with equal id
   });
});
// if you want to be more clever...
let result = result1.filter(o1 => result2.some(o2 => o1.id === o2.id));
Posted by: Guest on August-03-2020
1

how to compare two arrays javascript

function arraysAreIdentical(arr1, arr2){
    if (arr1.length !== arr2.length) return false;
    for (var i = 0, len = arr1.length; i < len; i++){
        if (arr1[i] !== arr2[i]){
            return false;
        }
    }
    return true; 
}
Posted by: Guest on September-07-2020

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