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Event delegation #262
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tarasyyyk
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javascript-tutorial:master
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OlhaBrozhenets:event_delegation
Jan 19, 2022
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Event delegation #262
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,4 +1,4 @@ | ||
The solution has two parts. | ||
Рішення складається з двох частин. | ||
|
||
1. Wrap every tree node title into `<span>`. Then we can CSS-style them on `:hover` and handle clicks exactly on text, because `<span>` width is exactly the text width (unlike without it). | ||
2. Set a handler to the `tree` root node and handle clicks on that `<span>` titles. | ||
1. Обертаємо кожен заголовок дерева в `<span>`. Тоді ми можемо додати їм CSS стилі на `:hover` і обробляти клік саме по тексту, тому що ширина `<span>` повністю співпадає з шириною тексту. | ||
2. Встановлюємо обробник на кореневий вузол `tree` та обробляємо кліки на елементах `<span>`, які містять заголовки. |
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