JavaScript Events and Event Listeners
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Questions and Answers

What method is used to create HTML elements in JavaScript?

  • makeElement
  • createElement (correct)
  • createHTML
  • generateHTML

How can the default submission of a form be prevented in JavaScript?

  • form.preventSubmit()
  • return true
  • return false (correct)
  • submit.preventDefault()

Which function is used to repeatedly execute a function at specified intervals?

  • repeatFunction
  • intervalLoop
  • setTimeout
  • setInterval (correct)

In JavaScript, how can a button be disabled?

<p>setAttribute('disabled', true) (D)</p> Signup and view all the answers

What property would you use to find the length of a string or array in JavaScript?

<p>length (A)</p> Signup and view all the answers

How is data stored in Local Storage?

<p>As key-value pairs (C)</p> Signup and view all the answers

Which method would you use to ensure a function stops running at set intervals?

<p>clearInterval (B)</p> Signup and view all the answers

Which function appends elements to the DOM in JavaScript?

<p>append (A)</p> Signup and view all the answers

Why is information lost when reloading a page without using Local Storage?

<p>Local Storage was not used to persist data (B)</p> Signup and view all the answers

What is the purpose of querying elements like the submit button and input task field once?

<p>To optimize performance by reducing redundant queries (A)</p> Signup and view all the answers

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