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Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does DOM stand for?
💡 Hint: Think about how browsers interpret HTML.
Question 2
Easy
What method is used to select an element by its ID?
💡 Hint: Recall that ID must be unique in the HTML document.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What method would you use to select an element with the class name 'highlight'?
- document.getElementByClassName('highlight')
- document.getElementsByClassName('highlight')
- document.querySelector('.highlight')
💡 Hint: Remember how many elements can share the same class.
Question 2
True or False: The innerHTML property can be used to inject HTML elements.
- True
- False
💡 Hint: Think about using HTML tags inside the property.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create an entire to-do list application using DOM manipulation that allows adding and removing items dynamically, and implement input validation for the list entries.
💡 Hint: Consider using buttons to add items and events to validate inputs.
Question 2
Develop a simple form validation script that checks for required fields and displays user feedback without submitting the form.
💡 Hint: Remember to prevent the default form submission to handle the input validation properly.
Challenge and get performance evaluation