Jennifer King - JavaScript II - #244
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pghrogue wants to merge 8 commits into
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… calling for, but hopefully, this was it.
goldSponsors (all info about companies who donated > 200 using filter) goldCompanies (capitalized company names using foreach) emailContacts (mapped full names & email addresses)
kiachoi
approved these changes
Aug 20, 2018
| let ticketPriceTotal = []; | ||
| // The donations need to be tallied up and reported for tax purposes. Add up all the donations into a ticketPriceTotal array and log the | ||
| // result | ||
| let ticketPriceTotal = runners.reduce( (acc, curr) => acc + curr.donation. 0 ); |
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Check this function out again, you have some syntax issue 😄 But once you fix it, it will return the proper response.
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| // Problem 1 | ||
| // Find the companies who donated over $200 to feature these sponsors: | ||
| let goldSponsors = runners.filter(elem => elem.donation >= 200); |
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Should be elem.donation > 200 since it is asking for companies who donated over $200.
| const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum']; | ||
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| function display(item) { | ||
| console.log(item); |
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| for( let i = 0; i < array.length; i++ ) | ||
| { | ||
| if( newArr.includes(array[i]) === false ){ |
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Can be simplified to if (!newArr.includes(array[i])) as well
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Task 1: Set Up The Project With Git
console.log()statements to check your work.Task 2: Callbacks
This task focuses on getting practice with callback functions by giving you an array of values and instructions on what to do with that array.
ES5functionkeyword syntax.Task 3: Array Methods
Use
.forEach(),.map(),.filter(), and.reduce()to loop over an array with 50 objects in it. The array-methods.js file contains several challenges built around a fundraising 5K fun run event.Task 4: Closures
We have learned that closures allow us to access values in scope that have already been invoked.
Hint: Utilize debugger statements in your code in combination with your developer tools to easily identify closure values.
Stretch Goals
Arrow Function Syntax - You will see more and more arrow functions as you progress deeper into JavaScript. Use the function-conversion.js file as a helper challenge to showcase some of the differences between ES5 and ES6 syntax
Look up what an IIFE is in JavaScript and experiment with them