使用Javascript从一个网页向同一个域中的另一个网页发送数据

I have a function in javascript that is generating an array of canvas elements (screenshots of the current webpage). If the user clicked on a new link, I want to save my current array and somehow send it to the new page where I will call the function again, but with the array already filled by the previous values, through the same javascript file (I want it all to remain client side).I have a function in javascript that is generat