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AJAX Basics

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Parsing JSON Data

7:33 with Dave McFarland

JSON is transmitted over the web as plain text. To make it useful for a JavaScript program, you need to parse it, or convert it from a string to JavaScript.

Chrome Console Keyboard Shortcuts

  • Windows: Ctrl + Shift + J
  • Mac: Cmd + Option + J

Firefox Console Keyboard Shortcuts

  • Windows: Ctrl + Shift + K
  • Mac: Cmd + Option + K

Internet Explorer Console Keyboard Shortcuts

  • F12 key

Safari Console Keyboard Shortcuts

  • Cmd + Option + C

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    Okay, with Ajax the browser sends out a request to 0:00
    the web server and the web server sends a response. 0:00
    The response is just plain text, even though the server 0:04
    sends back information that looks like HTML, XML, or JSON. 0:07
    To a web browser those responses are just a string of characters, 0:12
    in other words, even though JSON is formated to look like JavaScript, 0:16
    it isn't JavaScript, It's a plain text string, just a bunch of 0:20
    letters, numbers, and punctuation marks with 0:25
    no magical significance to your web browser. 0:27

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