# Session 12 - JavaScript, Part 5

Harvard Extension School
Fall 2021

Course Web Site: https://cscie12.dce.harvard.edu/

### Topics

1. JavaScript and "Ajax"
2. JS Data Structures - array and "object" (key/value pair)
3. Ajax - Getting JSON from HTTP request
4. Same Origin Policy and CORS
5. Javascript Helping with Navigation

Session 12 - JavaScript, Part 5, slide1
JavaScript, slide2
JavaScript and "Ajax", slide3
A Collection of Technologies, slide4
What can you do with Ajax/XHR?, slide5
JS Data Structures - array and "object" (key/value pair), slide6
More JSON objects, slide7
Ajax - Getting JSON from HTTP request, slide8
Let's Try it Out!, slide9
MLB, slide10
MLB - XHR, slide11
MLB - fetch, slide12
MLB - getJSON with jQuery, slide13
National Park Service API, slide14
Same Origin Policy and CORS, slide15
Same Origin Policy, slide16
CORS - Cross Origin Resource Sharing, slide17
JavaScript to Submit a Form, slide18
Javascript Helping with Navigation, slide19
Various Forms of Navigation, slide20
Navigation , slide21
"You are here" with CSS, slide22
"You are here" with JavaScript, slide23
Pages from Parts and Clamshell Navigation, slide24

Presentation contains 24 slides

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