១. អ្វីទៅហៅថា DOM?
២. តើ DOM និង BOM ខុសគ្នាដូចម្តេចខ្លះ?
៣. ដូចម្តេចដែលហៅធាតុមេ (parent element) ធាតុរង (child element) និងធាតុស្មើគ្នា (sublime element)?
៤. តើមានវិធីអ្វីខ្លះនៅក្នុង DOM ដែលអាចត្រូវយកមកប្រើប្រាស់ ក្នុងការភ្ជាប់ទំនាក់ទំនងទៅនឹងធាតុ HTML?
៥. តើវិធីអ្វីខ្លះដែលអាចត្រូវយកមកប្រើក្នុងការផ្លាស់ប្តូរតំលៃ CSS នៃធាតុ HTML?
Task 1
Create an html page with a tree of subdirectories. When you click on an item of the list, it should collapse or expand. When you hover over an element, the font should become bold (using CSS).
Create an html page for displaying/editing text.
When you open a page, the text is displayed with the div tag. When you press Ctrl+E, textarea appears instead of div containing the same text that you can now edit. When you press Ctrl+S, div appears instead of textarea with the text already changed. Do not forget to turn off the default behavior for these keyboard shortcuts.
Create an html page with a large table. When clicking on the column heading, you need to sort data by this column. For example: in the screenshot, people are sorted by age. Note that numeric values should be sorted as numbers, not as strings.
Create a calculator html page. Implement its features.
Create an html page with a menu that has drop-down lists. A list with submenu items should appear by clicking on the corresponding menu item.
Create an html page with a list of articles. When scrolling down the page by more than 100 pixels, the Up button should appear in bottom right corner to quickly jump to the top of the page.
