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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>JS: Callbacks, => fns, promises, apis</title>
<style>
.mono {
font-family: 'Courier New', Courier, monospace;
}
body {
line-height: 25pt;
font-size: large;
}
.youtube {
color: red;
font-weight: bold;
}
.deprecated {
background-color: yellowgreen;
color: blue;
}
.update {
background-color: blueviolet;
color: white;
}
</style>
</head>
<body>
<h1>
Week 7 Labs: JavaScript - Callbacks, arrow functions, promises & apis
</h1>
<hr />
<ul>
<li>
JS Practice: JavaScript objects & arrays
<ul>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/js-objects-arrays/first_arrays.js"
target="_blank"
>
First arrays
</a>
: accessing, reading, adding, removing, modifying, sorting,
reversing & looping over array elements
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/js-objects-arrays/first_objects.js"
target="_blank"
>
First objects
</a>
: JSON - reading, changing and adding data
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/js-objects-arrays/nested_objects.js"
target="_blank"
>
Nested objects
</a>
: reading nested objects
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/js-objects-arrays/looping.js"
target="_blank"
>
Looping
</a>
: arrays & objects
</li>
</ul>
</li>
<br />
<li>
JavaScript classes
<ul>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/js-classes/class_definition.js"
target="_blank"
>
Class definitions
</a>
: Classes are functions
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/js-classes/first_class_definition.js"
target="_blank"
>
First class definitions
</a>
: <span class="mono">Squirrel</span> class
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/js-classes/add_functions_to_json.js"
target="_blank"
>
JSON example
</a>
: Adding new functions to JSON
</li>
</ul>
</li>
<br />
<li>
Callback functions & Arrow notations (<span class="mono">=></span>):
<ul>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/callback-functions/callbacks_animals.js"
target="_blank"
>
Animals
</a>
: <span class="mono">forEach()</span> looping with a classic
callback function & callback function using
<span class="mono">=></span>.
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/callback-functions/button.html"
target="_blank"
>
Button
</a>
: button with an <span class="mono">addEventListener()</span> for a
<span class="mono">click</span> event with a callback function
</li>
<li>
<span class="mono">setTimeout(handler/fn, ms)</span>: a method that
calls a function or evaluates an expression after a specified number
of milliseconds.
<ul>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/callback-functions/setTimeout_delay.html"
target="_blank"
>
Classic callback function
</a>
: displays an alert after 3 seconds
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/callback-functions/setTimeout_delay_arrow_notation.html"
target="_blank"
>
Callback function with arrow notation (<span class="mono"
>=></span
>)
</a>
: displays an alert after 3 seconds
</li>
</ul>
</li>
<li>
<span class="mono">setInterval(handler/fn, ms)</span>: a method that
calls a function or evaluates an expression at specified intervals.
It will continue calling the function until
<span class="mono">clearInterval()</span> is called, or the window
is closed.
<ul>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/callback-functions/setInterval_what_time_is_it.html"
target="_blank"
>
Classic callback function
</a>
: shows current date & time with seconds updating
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/callback-functions/setInterval_what_time_is_it_arrow_notation.html"
target="_blank"
>
Callback function with arrow notation (<span class="mono"
>=></span
>)
</a>
: shows current date & time with seconds updating
</li>
</ul>
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/callback-functions/draw-on-a-picture/draw_word.html"
target="_blank"
>
Draw text on a picture
</a>
: drawing an image on a canvas with text writing input features.
Demonstrates the <span class="mono">load</span> event listener with
a callback function.
</li>
</ul>
</li>
<br />
<li>
<span class="mono">fetch() and promises</span>
<ul>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/fetch/promises.js"
target="_blank"
>
Promises
</a>
: Introduction
</li>
<li>
<span class="youtube">YouTube</span> projects:
<a
href="https://www.youtube.com/watch?v=tc8DU14qX6I&list=PLRqwX-V7Uu6YxDKpFzf_2D84p0cyk4T7X&index=4"
target="_blank"
>
1.1: fetch() - Working With Data & APIs in JavaScript
</a>
by The Coding Train <br />Needs a live server for demonstration
<ul>
<li>
Fetching images:
<ul>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/fetch/fetch-image/image_fetch_v1.html"
target="_blank"
>
V1
</a>
: locally fetching an image using a server with
<span class="mono">.then</span>
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/fetch/fetch-image/image_fetch_v2.html"
target="_blank"
>
V2
</a>
: locally fetching an image using a server with
<span class="mono">async</span> and
<span class="mono">await</span> instead of
<span class="mono">.then</span>
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/fetch/fetch-image/image_fetch_v3.html"
target="_blank"
>
V3
</a>
: locally fetching multiple images using a server with
<span class="mono">async</span> and
<span class="mono">await</span> instead of
<span class="mono">.then</span>
</li>
</ul>
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/fetch/fetch-text/text-fetch.html"
target="_blank"
>
Fetching text
</a>
: locally fetching a text file using a server with
<span class="mono">async</span> and
<span class="mono">await</span> instead of
<span class="mono">.then</span>
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/fetch/fetch-csv/csv_fetch.html"
target="_blank"
>
Fetching text from csv file
</a>
: locally fetching a csv file using a server with
<span class="mono">async</span> and
<span class="mono">await</span> instead of
<span class="mono">.then</span>. Displaying the data into a line
chart using ChartJS library.
</li>
</ul>
</li>
</ul>
</li>
<br />
<li>
API (Application Programming Interface)
<ul>
<li>
<a href="https://wheretheiss.at/w/developer" target="_blank">
ISS API
</a>
: Where is the ISS (International Space Station) at?
<ul>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/apis/iss-api/fetch-iss/iss_location.html"
target="_blank"
>
Hello <span class="mono">fetch()</span>
</a>
: promises & api calls
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/apis/iss-api/fetch-iss-map/iss_location_map.html"
target="_blank"
>
Leaflet Maps
</a>
: Open Street Maps (OSM) with leaflet marker
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/apis/iss-api/fetch-iss-map-updates-interval/iss_location_map_setInterval.html"
target="_blank"
>
Map updating ISS location
</a>
: <span class="mono">setInterval(fn, ms)</span> to update map,
move marker, date iss data fetched, custom satellite marker
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/apis/iss-api/fetch-iss-map-updates-timeout/iss_location_map_setTimeout.html"
target="_blank"
>
Map updating ISS location
</a>
: recursive <span class="mono">setTimeout(fn, ms)</span> is a
better approach than
<span class="mono">setInterval(fn, ms)</span>. Handling failed
requests.
</li>
</ul>
</li>
<li>
Requesting country data -
<a
href="https://datahelpdesk.worldbank.org/knowledgebase/articles/898590-country-api-queries"
target="_blank"
>
World Bank API
</a>
:
<a
href="https://myverdict.github.io/week7-web-programming-javascript/apis/world-bank-api/play_game.html"
target="_blank"
>
Capital city quiz page
</a>
</li>
<li>
<span class="deprecated">API DEPRECATED</span>:
<a
href="https://myverdict.github.io/week7-web-programming-javascript/apis/magic-8-ball-api/magic.html"
target="_blank"
>
Ask the magic ball a question
</a>
:
<a href="https://8ball.delegator.com" target="_blank">
Magic 8 ball API
</a>
</li>
<li>
<span class="youtube">YouTube</span> project:
<a
href="https://www.youtube.com/watch?v=J-lUOFXxG_0"
target="_blank"
>
How to Get User Location in HTML CSS & JavaScript
</a>
by CodingNepal<br />
<span class="update">TO BE UPDATED</span>:
<a
href="https://myverdict.github.io/week7-web-programming-javascript/apis/detect-user-location-api/view.html"
target="_blank"
>
Detect device location
</a>
: Uses the Geolocation Web API to access user's device location.
Then uses the
<a href="https://opencagedata.com/api#quickstart" target="_blank">
OpenCage Geocoding API
</a>
to convert device location coordinates to a place. (Needs an API
Key)
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/apis/sunrise-sunset-api/sun.html"
target="_blank"
>
Sunrise & Sunset Timings
</a>
: Uses the Geolocation Web API to access user's device location.
Then uses the
<a href="https://sunrise-sunset.org/api" target="_blank">
Sunrise & Sunset API
</a>
to display sunrise & sunset timings for that location.
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/apis/weather-api/weather.html"
target="_blank"
>
Weather
</a>
: Uses the
<a
href="https://www.weather.gov/documentation/services-web-api"
target="_blank"
>
National Weather API Web Service
</a>
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/apis/pokemon-api/pokemon_list.html"
target="_blank"
>
Pokemon list
</a>
: Uses the
<a href="https://pokeapi.co/" target="_blank">Pokemon API</a>
</li>
<li>
Currency exchange rates:
<a href="https://exchangerate.host/#/" target="_blank">
Exchange rates API
</a>
<ul>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/apis/exchange-rate-api/v1/currency_v1.html"
target="_blank"
>
V1
</a>
: Simple currency converter from US dollar to 3 defined
conversions
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/apis/exchange-rate-api/v2/currency_v2.html"
target="_blank"
>
V2
</a>
: Currency converter from US dollar with currency dropdown list
built from API & using smaller functions & using
<span class="mono">setInterval(fn, ms)</span>
</li>
</ul>
</li>
<li>
<span class="deprecated">API DEPRECATED</span>:
<a
href="https://myverdict.github.io/week7-web-programming-javascript/apis/apod-api/astronomy_pic.html"
target="_blank"
>
Astronomy picture of the day
</a>
: From
<a href="https://apodapi.herokuapp.com/" target="_blank">
APOD API
</a>
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/apis/github-repo-analysis.html"
target="_blank"
>
GitHub Repo Analysis
</a>
: Uses the GitHub API
</li>
</ul>
</li>
<br />
<li>
<a href="https://expressjs.com/">ExpressJS</a>
<ul>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/express-app/hello-express/public/index.html"
target="_blank"
>
First express app: Hello express
</a>
</li>
<li>
<a
href="https://myverdict.github.io/week7-web-programming-javascript/express-app/lat-long-geolocation-express-app/public/index.html"
target="_blank"
>
Latitude/Longitude Geolocation Express App
</a>
with
<a
href="https://developer.mozilla.org/en-US/docs/Web/API/Geolocation_API"
target="_blank"
>
Geolocation API
</a>
</li>
</ul>
</li>
<br />
<li>
Also see,
<a
href="https://github.com/myverdict/ITEC-lab7-assignment"
target="_blank"
>
Lab 7 assignment repository
</a>
</li>
</ul>
<hr />
<p>
<i>
ITEC 2560-60: Web Client and Server Programming
<br />
Minneapolis Community and Technical College (MCTC), Minneapolis,
Minnesota
<br />
Prof. Clara James, Fall 2020
<br />
August 25, 2020 to December 15, 2020 (Tuesdays)
</i>
</p>
</body>
</html>