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Lära Challenge: Query and Select DOM Elements | DOM Manipulation for Interactive Web Development
Advanced JavaScript Mastery

bookChallenge: Query and Select DOM Elements

Task

You have a shopping list in your HTML, and you need to select specific elements using various DOM querying methods.

  1. Select by ID: Select the <h1> element with the ID title;
  2. Select by Class: Select all elements with the class item;
  3. Select by Tag: Select all <li> elements;
  4. Select the First Matching Element: Select the first <li> element with the class item;
  5. Select All Matching Elements: Select all <li> elements with the class item.
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  • Use getElementById to select the <h1> element with the ID title;
  • Use getElementsByClassName to select all elements with the class item;
  • Use getElementsByTagName to select all <li> elements;
  • Use querySelector to select the first <li> element with the class item;
  • Use querySelectorAll to select all <li> elements with the class item.
index.html

index.html

index.css

index.css

index.js

index.js

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Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 2. Kapitel 3

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bookChallenge: Query and Select DOM Elements

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Task

You have a shopping list in your HTML, and you need to select specific elements using various DOM querying methods.

  1. Select by ID: Select the <h1> element with the ID title;
  2. Select by Class: Select all elements with the class item;
  3. Select by Tag: Select all <li> elements;
  4. Select the First Matching Element: Select the first <li> element with the class item;
  5. Select All Matching Elements: Select all <li> elements with the class item.
index.html

index.html

index.css

index.css

index.js

index.js

copy
  • Use getElementById to select the <h1> element with the ID title;
  • Use getElementsByClassName to select all elements with the class item;
  • Use getElementsByTagName to select all <li> elements;
  • Use querySelector to select the first <li> element with the class item;
  • Use querySelectorAll to select all <li> elements with the class item.
index.html

index.html

index.css

index.css

index.js

index.js

copy

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 2. Kapitel 3
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