Let's have a look at the main drawing function that will be called in the loop: function drawCanvas() { c.clearRect(0, 0, c.canvas.width, c.canvas.height); // Clear the (displayed) canvas // to avoid errors c.save(); // Saves the current state of // properties (coordinates!
You can already do a lot with JavaScript, let’s take a look at some of the things you know how to do: So far, though, a lot of your knowledge is informal—sure, you can get an element out of the DOM and assign some new HTML to it, but if we asked you to explain exactly wh...
// Simple message.letsnackBarRef = snackBar.open('Message archived');// Simple message with an action.letsnackBarRef = snackBar.open('Message archived','Undo');// Load the given component into the snack-bar.letsnackBarRef = snackbar.openFromComponent(MessageArchivedComponent); Step 2: Register...
Click on the hyperlink of the CPT cell to open the sub-template and pass the parameters: var url = "/WebReport/ReportServer?reportlet=WorkBook2.cpt";var a = "123";FR.doHyperlinkByGet(url,{a:a, b:"456"}, "_self") FR.doHyperlinkByGet The parameter description is shown in the follow...
Add the following method below your declaration of thedatastorevariable. /** * Open a connection to the datastore. */ tDB.open = function(callback) { // Database version. var version = 1; // Open a connection to the datastore.
Let's have a look at the final application in this YouTube clip ... Alternatively if you cannot view the YouTube clip, a Flash file version is available here ...http://www.johnmoy.com/scn/resources/sapsysmon.swf Want to see this on your iPhone or Android device? The following link...
For our TODO list we are going to use a single key in thelocalStorageand the value will be the stringified version of the list of TODO items we have. Fetching from the database: get_todos As this function used by all the other functions, let's see theget_todosfunction first. It does...
programminglanguagesanturallanguagesalsoletyoubuildupquitecomplexstatementsoutof separateparts.However,thereisafundamentaldifference:AsItellmystudents,chancesaregoodthat muchofwhatIsayinclassisnotgrammaticallycorrect,buttheyllstillunderstandme.Butwhenyoure “talking”toacomputerviaaprogramminglanguage,yourcodemustbeperfect...
At first, personally I thinkgood code is self documenting, the code of this project issemantic. The class name, variable name can express themselves. Only read the source code you can understand the main logic of this game. Let me introduce the main logic: ...
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