Exercise 5.4
Every and Then Some
function every(array, predicate){
for (var i = 0; i < array.length; i = i + 1){
if(!predicate(array[i]))
return false;
}
return true;
}
function some(array, predicate){
for(var i = 0; i < array.length; i = i + 1){
if(predicate(array[i]))
return true;
}
return false;
}
To open the JavaScript console, press F12 or on MAC press COMMAND-OPTION-I.