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Render blocking of the parent page
- How to create empty Array
- How to find number of items in an array
- How to assign values from HTML elements to array items
- How to add new items to an array
- How to create/add new HTML elements dynamically
- How to dynamically set attributes to a HTML element
- How to call a function after page gets loaded
- How to call multiple functions in an event handler
- How to remove child elements from an HTML element
- How to clear/remove all child elements from a HTML element
- How to use FOR loop
- How to use WHILE loop
- How to use "window.onload"
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