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Solving Business Problems with JS++


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How JS++ can help you or your company become more productive and efficient whilst delivering higher-quality and more reliable web and mobile applications.

Published in: Software
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Solving Business Problems with JS++

  1. 1. Solving Business Problems with JS++ ROGER POON @ROGERPOON
  2. 2. Sound vs. Unsound Unsound type systems are untrustworthy False sense of security Extremely hard problem to solve
  3. 3. Example: Forgiving var a = 1; var b = "Some message"; // Hundreds of lines later... console.log(a - b); // NaN
  4. 4. Example: Unforgiving function getMsg() { if (maybeTrue()) { return "Some message"; } } var ch = getMsg().charAt(0); console.log(ch); // Never runs
  5. 5. Defining "crash" in JS Form doesn't submit Clicking button/link does nothing Node.js server goes down
  6. 6. What if the compiler could find all your errors for you?
  7. 7. 1000 Execution Paths foobar();
  8. 8. List of JS++ Types bool string void float double int unsigned int short unsigned short byte signed byte
  9. 9. Hello World external console; console.log("Hello World");
  10. 10. jQuery in 2 (or 3) Lines external jQuery, $; string url = $("#logo").attr("src");
  11. 11. Why was Java Successful? Garbage Collection Cross-platform Developers can focus on what MATTERS
  12. 12. Thank You! ONUX.COM/JSPP