Please a javascript project

Please a javascript project

<!DOCTYPE html>

<!DOCTYPE html>

<html lang="en">


  <meta charset="UTF-8" />

  <meta name="viewport" content="width=device-width, initial-scale=1.0" />

  <meta http-equiv="X-UA-Compatible" content="ie=edge" />

  <title>Mini App</title>



    background: #fff;





  <h2>GetWet App</h2>

  <div class="select-currency select">

   <select class="select-text">

    <option value="">disabled</option>     

    <option value="">Selected</option>

    <option value="">Choose Currency</option>



  <button class="btn">Convert</button>

  <div class="conversion mdc-elevation--z3">



  <div class="message">





   const currencies = [{

    id: 'USD', name: 'US Dollars'

   }, {

    id: 'UGX', name: 'Ugandan Shillings'

   }, {

    id: 'KES', name: 'Kenyan Shillings'

   }, {

    id: 'GHS', name: 'Ghanian Cedi'

   }, {

    id: 'ZAR', name: 'South African Rand'



      const apiBase = '';

   const api = (currency) => `




   const toast = (msg) => {

    const toastr = document.querySelector('.messages');

    if(!toastr) return;


    toastr.textContent = msg;

    if(!toastr.classList.contains('on')) {





   const doneToasting = () => {

    const toastr = document.querySelector('.messages');

    if(!toastr) return;


    toastr.textContent = '';




   const conversionSucceeded = (apiResponse) => {

    if(!apiResponse) {

     toast(`nothing to display ...`);




    const [value] = Object.values(apiResponse)


    const btn = document.querySelector('button');



    const display = document.querySelector('.conversion');

    const formatter = new Intl.NumberFormat(

     'en-NG', { style: 'currency', currency: 'NGN' }



    display.textContent = formatter.format(value);




   // declare populateCurrencies here    


   const getSelectedCurrency = () => {

    // here, determine and return the selected value 

    // of the SELECT element



   const convert = (event) => {

    toast(`preparing to convert ...`);


    const btn = event ? : document.querySelector('button');


    const selected = getSelectedCurrency();


    if(!selected || selected.trim() === '' 

      || ! => return;


    btn.setAttribute('disabled', 'disabled');

    toast(`converting ...`);


    const endpoint = api(selected);


    // make a GET fetch call to the endpoint

    // variable declared above, convert the response to JSON,

    // then call conversionSucceeded and pass the JSON data to it




   const startApp = () => {

    // call populateCurrencies here


    // add a click listener to the button here







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