Using linear-gradient() to draw a diagonal line in HTML table cell.
Using .length to calculate number of options
Using JS .options to select nth option, and using JQuery option:selected to get value of selected option.
Using JQuery .prop() to select nth-option and JS .options to get the value of nth-option,
Using jQuery click event button tag to remove the closest tr to our delete button.
Using Javascript local storage to refresh a page only after first load.
Simple Datalist Search Query. Datalist autocomplete based on character or numerical order using Javascript & Jquery