How to append to HTML5 localStorage?

Question

I do a

localStorage.setItem(\'oldData\', $i(\"textbox\").value);

to set the value of key oldData to the value in a textbox.

Answer 1

It is not a good solution but it works and is performative.

localStorage.setItem("fruit", "Apples"); 

localStorage.setItem("fruit", localStorage.getItem("fruit") + "Orange");