Interactive Rating Component (HTML CSS Javascript)

Community feedback

• 

  dia ♡•200

  @diaasaurPosted over 1 year ago

  Hi Soraya! Great job on your first JS challenge <3

  The showing and hiding of the 2 different elements (Survey and Thank you) after submitting was difficult

  The task of showing and hiding the two elements (Survey and Thank you) after submitting can be challenging. Let's break down what you did to achieve this:

  1. You have two articles, survey and afterSubmit, which are initially arranged one after another in the DOM/HTML.
  2. Initially, to hide the afterSubmit element, you added the CSS rule display: none.
  3. You used an onclick event handler function called switchVisible to make survey invisible and afterSubmit visibile. This function performs two actions: a. It changes the display property of the survey from its default value display: block to display: none, effectively hiding it. b. It changes the display property of the afterSubmit element from display: none to display: block, making it visible.

  you can safely change switchVisible from:

  function switchVisible() {
  if (document.getElementById('survey').style.display == 'none') {
  } else {
  document.getElementById('survey').style.display = 'none';
  document.getElementById('afterSubmit').style.display = 'block';
  }
  }
  

  where if (document.getElementById('survey').style.display == 'none') {} is redundant because survey IS visible if you are able to see the survey and the submit button

  to (removing the redundant if statement):

  function switchVisible() {
  document.getElementById('survey').style.display = 'none';
  document.getElementById('afterSubmit').style.display = 'block';
  }
  

  if (document.getElementById('survey')) <-- this equals to true, so it runs the next if/else statement within its block.

  Yes! you are on the right track!

  When encountering an if statement, the condition inside the parentheses is evaluated. In this case, document.getElementById('survey') retrieves the HTML element with the ID survey. If the element exists, it is considered a 'truthy' value, and JavaScript coerces it to true. If the element does not exist (i.e., it is null), it is considered a 'falsy' value, and JavaScript coerces it to false.

  The if statement does not automatically run again after the page loads unless explicitly triggered by an event or condition.

  Please let me now if what I'm saying is wrong, and also what are potential other ways to approach this?

  • You can use a .hidden utility class and add/remove it on an element using document.getElementById('myElement').classList.add('myClass') or document.getElementById('myElement').classList.remove('myClass') classList property MDN (BTW classList can help you add a .selected class on the clicked rating!)

  .hidden {
  display: none;
  }
  

  • Rather than using inline onclick handlers, you can attach event listeners to the submit button using JavaScript. This allows for more flexibility and separation of concerns.

  Marked as helpful

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  Soraya•230

  @SorpandaPosted over 1 year ago

  Thank you so much for your detailed reply! I thought I already tried to remove the if statement that was redundant but it didn't work, but maybe that was with the previous toggle version I found on internet, because I tried it again just now and now it does work! :) Again, thanks so much for your reply @diaasaur

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