Use unshift . It's like push , except it adds elements to the beginning of the array instead of the end. unshift / push - add an element to the ... ... <看更多>

this tutorial shows you how to use the JavaScript Array splice method to delete ... three elements of the scores array starting from the first element. ... <看更多>

... there's a lot of google traffic for "javascript array insert", y'know. ... of bounds the item is pushed to either the very beginning or the very end. ... <看更多>

In the last learning activity we created an array that holds four (or more) bubbles. ... Of course the code above only works the first time the user clicks: once ... ... <看更多>