Test to Learn - Test-Driven JavaScript Development - page 62

function forLoopCachedLength() {
for(vari=0,l=array.length, item; i < l; i++) {
item = array[i];
}
}
function forLoopDirectAccess() {
for(vari=0,item; (item = array[i]); i++) {
}
}
function whileLoop() {
vari=0,item;
while (i < array.length) {
item = array[i];
i++;
}
}
function whileLoopCachedLength() {
var i = 0, l = array.length, item;
while (i < l) {
item = array[i];
i++;
}
}
function reversedWhileLoop() {
var l = array.length, item;
while (l--) {
item = array[l];
}
}
function doubleReversedWhileLoop() {
var l = array.length, i = l, item;
while (i--) {
item = array[l - i - 1];
}
}