Write the HTML code to design the following web page: id="out" insert Enter items into the array id = in Write a JavaScript script that do the following: When clicking on the insert" button, the entered data is pushed into an array, then a confirmation message appears like that: Message from webpage ? Do you want to enter another Number? OK Cancel If Cancel is chosen, then all the elements in the array are displayed in the paragraph (with id: out). Use an external CSS file to display the array elements in (centered, and with linear gradient background ranges from green to yellow) format