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CSIS 138 Javascript Class1
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CSIS 138 Javascript Class1

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Instructor Teresa Pelkie at Palomar College - Introduction to JavaScript

Instructor Teresa Pelkie at Palomar College - Introduction to JavaScript

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  • The JavaScript Language consists of objects CSIS 138 Instructor Teresa Pelkie
  • Transcript

    • 1. JavaScript – Class 1 Overview of the Basics
      • Objects
        • Properties
        • Methods
        • Events
    • 2. JavaScript Syntax
      • document.bgColor = “red”;
      • document.write( );
      • // change color to red
      • /* change color to red
      • and write to the page
      • */
    • 3. JavaScript Objects
      • Built in JavaScript Objects
        • Navigator Object
        • Date Object
        • Math Object
        • String Object
        • Array Object
    • 4. JavaScript Objects
      • Browser Objects
    • 5. Where is JavaScript code placed?
      • <head>
      • <script type=”text/JavaScript” language=&quot;JavaScript&quot;>  <!- -
      • statements go here ; //-->
      • </script>
      • </head>
    • 6. Where is JavaScript code placed?
      • <head>
      • <script type=”text/JavaScript”> 
      • statements go here ;
      • </script>
      • </head>
    • 7. Where is JavaScript code placed?
      • <head>
      • <script type=”text/JavaScript” src=”file.js”>
      • </script>
      • </head>
    • 8. Where is JavaScript code placed?
      • <head>
      • <script type=”text/JavaScript”>  statements go here ;
      • </script>
      • <script type=”text/JavaScript” src=”file.js”>
      • </script>
      • </head>
    • 9. Where is JavaScript code placed?
      • <body>
      • <a href=&quot;#&quot; onmouseover=“showPic();&quot;>click</a>
      • <a href=”javascript:openWin();”>click</a>
      • </body>
    • 10. <noscript> You need JavaScript to see this page! </noscript>
    • 11. Data and Types
      • Information that we process and display
      • Can be in many forms or types
        • Numeric
        • String
        • Boolean
    • 12. Variables
      • Hold information or data
      • Can hold these types of data
        • Numeric
        • String
        • Boolean
    • 13. How we create or declare a variable
      • var myName;
    • 14. Initializing a variable
      • var myName;
      • myName = “Teresa”;
      • _______________________
      • var myName = “Teresa”;
    • 15. Initializing a variable
      • var myAge;
      • myAge = 21;
      • _______________________
      • var zipCode;
      • zipCode = “92082”;
    • 16. The alert() method alert(); window.alert();
    • 17. The alert() method <head> <script language=&quot;JavaScript&quot;> alert (&quot;This is an alert()&quot;); </script> </head>
    • 18. The alert() method
    • 19. The alert() method <script language=”JavaScript”> var myFirstVariable; myFirstVariable = “Hello!”; alert(myFirstVariable); </script>
    • 20. The alert() method
    • 21. The write() method <body> <script language=”JavaScript”> document.write (&quot;Hello World&quot;); </script> </body>
    • 22. The write() method
    • 23. The write() method <body> <script language=”JavaScript”> document.write (‘Hello “Big” World’); </script> </body>
    • 24. The write() method
    • 25. The write() method <script language=&quot;JavaScript&quot;> var firstVar; var secondVar firstVar = &quot;Hello&quot;; secondVar = &quot;World!&quot;; document.write( firstVar + “ “ + secondVar ); </script>
    • 26. The write() method
    • 27. The write() method <script language=&quot;JavaScript&quot;> var first; var last; first = “Teresa&quot;; last = “Pelkie&quot;; document.write(“<b>Hello “ + first + “ “ + last + “</b>”); </script>
    • 28. The write() method
    • 29.
      • JavaScript – Class 1
      • Assignment 1