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Frontend Mentor - Advice generator app solution

This is a solution to the Advice generator app challenge on Frontend Mentor. Frontend Mentor challenges help you improve your coding skills by building realistic projects.

Table of contents

Overview

The challenge

Users should be able to:

  • View the optimal layout for the app depending on their device's screen size
  • See hover states for all interactive elements on the page
  • Generate a new piece of advice by clicking the dice icon

Screenshot

Links

My process

Built with

  • Semantic HTML5 markup
  • CSS
  • JavaScript

What I learned

It was fun incorporating JavaScript into my project. Initially, I was testing out my site in firefox, where the advice would not reset and randomise due to the .fetch() command accessing the cache. To combat this, i changed some of the optional settings for the command:

function get(url) {
  /* optional settings have to be passed in as an object, I only chose to change how the fetch command accesses the cache - so only that setting is mentioned in the object */
  return fetch(url, {cache: 'no-store'}).then((resp)=>resp.json());
}

Working with the fetch API was a great learning experience which I hope will allow me to use other 3rd party APIs in the future.

I also encountered some issues with using document.querySelector() since it would always return null when used in the script and the result i wanted in the dev console. I later discovered that this was due to the script loading before the html - meaning that the querySelector() wouldn't have found anything. To combat this, I only used the querySelector() once the site had loaded.

function onLoad() {
    // run after the html loads
    adviceNum = document.querySelector('#advice-number');
    adviceContent = document.querySelector('#advice-text');

    // so that there is already a piece of advice there
    generateAdvice();
}

document.addEventListener("DOMContentLoaded", onLoad);

Useful resources

  • W3schools - Helped me with styling certain elements
  • MDN web docs - Helped me a lot with the fetch API and a great general reference

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