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Wener Notes

DOM

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text
               | |                                   / \
---------------| |-----------------   ---------------| |-----------------
| element1     | |                |   | element1     | |                |
|   -----------| |-----------     |   |   -----------| |-----------     |
|   |element2  \ /          |     |   |   |element2  | |          |     |
|   -------------------------     |   |   -------------------------     |
|        Event CAPTURING          |   |        Event BUBBLING           |
-----------------------------------   -----------------------------------
JavaScript
e.preventDefault();
e.stopPropagation();
e.nativeEvent.stopImmediatePropagation(); // React

// CAPTURING event
button.addEventListener('click', handleClick, true);

// BUBBLING events
button.addEventListener('click', handleClick, false);
button.addEventListener('click', handleClick);

img

  • loading
    • eager
    • lazy
  • crossorigin
    • anonymous
    • use-credentials

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