Counting of Array Elements

Array element count.js

var arr = [7,3,1,2,2,1,7,1,1,1,4], arrObj = {};

function elementCount(arr) {
        var i = 0, prop, name;
        
        for (i = 0; i < arr.length; i++) {
                name = arr[i];
                if (!arrObj[name]) {
                        arrObj[name] = 0;
                }
                for (prop in arrObj)
                        if (arr[i] === parseInt(prop))
                                arrObj[prop]++;
        }

return arrObj;

}
elementCount(arr);