2009年8月18日 — If I know the length of an array, how do I print each of its values in a loop? Aug 18 '09 at 13:35 · Up vote 119 Down vote. $array = array(" ... ... <看更多>

In the callback function, add the element to the sum variable and call the increase() method of the counter object. Notice that the counter object is referred ... ... <看更多>

5.3 Use object destructuring for multiple return values, not array destructuring. Why? You can add new properties over time or change the order of things ... ... <看更多>