remove duplicates in an array(JS)

Remove duplicates in an array(JS).md

remove duplicate in an array, string, object, number

works for string, object, number and all data type supported in Javascript

function removeDuplicates(arr) {
    let _arr = []
    return arr.filter((item, index) => {
        _arr.push(JSON.stringify(item))
        return _arr.indexOf(JSON.stringify(item)) == index
    });
}

Examples