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101 Atari computer programming tips & tricks by Alan North

By Alan North

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HTML5 and JavaScript Projects

HTML5 and JavaScript Projects shows you ways to construct in your uncomplicated wisdom of HTML5 and JavaScript to create significant HTML5 purposes. throughout the many fascinating initiatives you could construct during this publication, you'll construct your HTML5 talents in your destiny tasks, and expand the middle talents you could have realized with its spouse ebook, the basic advisor to HTML5.

HTML5 and JavaScript tasks covers crucial components of HTML5 that you'll need to know easy methods to software, including: video, and audio, databases, localStorage, and geolocation. The initiatives were conscientiously chosen that can assist you construct your HTML5 and JavaScript programming talents. You'll construct video games and purposes, reminiscent of video jigsaws,  recipe records, paper dolls, and lots of extra eye-catching examples.

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HTML5 and JavaScript Projects:
* exhibits the right way to produce purposes combining Canvas drawings, images, and movies
* Explains the right way to contain Google Maps and geolocation into your initiatives
* unearths the right way to construct functions requiring power info, storing the knowledge in the community or on a database at the server

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21 TOO LOW GUESS THE NUMBER ? 25 RIGHT LETS GO AGAIN **** * *************** 59 Number Crunching 43 Memory Tester Most everybody can remember numbers. At least short numbers with few digits . But how long a number can you recall in a flash? The computer will briefly display a number. It then will remove the number from your view and ask you to repeat what it was . If you miss three times, the computer will tell you to FORGET IT, give you your score and end the game. Then it will start over . On the other hand , if you recall correctly, the computer will say so and then give you a new number.

S. ) R l... :: 1. T I) R 1 3(;~ PF,':\D ~. " 1 ()iO nE /~ D ($ 2(;%7) I N PI. 0 z:·m (<£, 20 Killing Time Sometimes, it may seem to you as if the computer will never get to the result of a job. You understand the processing delay but your non-computer friends may not. They could be confused by the wait and think the computer is "broken. " The added, extra lines , numbered 50, 60, 70 and 80, take up more processing time but make for less confusion. Computing may take a bit longer but your fun will be increased .

You will be able quickly to tell what each number prints. Line 40 is a timing loop to slow down the presentation so you can digest the information . To make it even slower, increase the number 400 in line 40. To make it faster, decrease the number 400 in line 40. The computer's chime will ring after it reaches 255. Line 60 provides the beep. Program Listing 10 20 30 40 PRINT }":REM SCREE N CLE AR FO R N=0 TO 255 PRINT N, CHRS( N) FOR T=1 TO 400 : NEXT T 50 NE XT N 60 PRINT "} " :REM BUZZ ER II 23 One-Time Password If you don't want unauthorized use of your programs, insert a requirement that a user know a password.

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