Javascript filter - 1

by Igor Cuckovic

JavaScript

function searchNames(logins){
    /*
    var arr1 = [];
    for (var i in logins) {
        //console.log(logins[i][0].substr(-1) === '_');
        if (logins[i][0].substr(-1) === '_')  arr1.push(logins[i]);
    }
    return arr1;
    */
    return logins.filter(function(a){return a[0].substr(-1) === '_'})
}

var array = [ [ "foo", "[email protected]" ], [ "bar_", "[email protected]" ] ];

console.log(JSON.stringify(searchNames(array)));


function isBigEnough(element) {
  return element >= 10;
}
var filtered = [12, 5, 8, 130, 44].filter(isBigEnough);
// filtered is [12, 130, 44]