object_compare.html

<!DOCTYPE html>
<html>
    <head>
        <title>Compare keys value of an Array of Objects</title>
    </head>
<body>
<h2>Compare keys value of an Array of Objects</h2>
<script>
    let objArr = [
        {
            keyOne: 1,
            keyTwo: 0,
            keyThree: 1
        },
        {
            keyOne: 0,
            keyTwo: 0,
            keyThree: 1
        },
        {
            keyOne: 1,
            keyTwo: 0,
            keyThree: 0
        }
    ];
    let valuesOfArr = [];
    let objKeys = Object.keys(objArr[0]);
    console.log(objKeys);
    objKeys.forEach(elem=> {
        let val = [];
        objArr.forEach(ele => {
            val.push(ele[elem]);
        });
        valuesOfArr.push(val);
    });
    console.log(valuesOfArr);
    valuesOfArr.forEach(ele => {
        let areAllEqual = ele.every( (val, i, arr) => val === arr[0] );
        console.log(areAllEqual);
    });
</script>
</body>
</html> 