how to load data from text file to javascript array?

Question

i have an array called items=[\"apple\",\"mango\",\"cherry\"];

i wonder how i can load the array data from text file instead of declaring it?the text f

Answer 1

 var file = event.target.file;
 var reader = new FileReader();
 var txt=reader.readAsText(file);
 var items=txt.split(",");