How to clear canvas JavaScript?

How do I clear my HTML canvas?

One of the ways that is implicitly endorsed in the spec and often used in people’s apps to clear a canvas is this: canvas.width = canvas.width; There is of course another common way to clear the canvas using a context method: ctx.clearRect(0, 0, canvas.width, canvas.height);

How do I reset my canvas?

How do I reset course content?

  1. Open Settings. In Course Navigation, click the Settings link.
  2. Reset Course Content. In the sidebar, click the Reset Course Content link.
  3. Confirm Course Reset. Click the Reset Course Content button.

How do I delete photos from canvas?

2 Answers. You can use Kinetic to image. remove() , then layer. draw() to refresh the canvas, in similar fashion to this answer.

How do you clear a circle in canvas?

You can use the clearRect() method to erase a portion of the canvas (including your arc), but when you’re using clearRect() with arcs or anything else that you used beginPath() and closePath() for while drawing, you’ll need to handle the paths while erasing, too.

Can you clean a canvas?

The best cleaning technique is to dust the canvas with a soft, lint-free, dry cloth or feather duster. If your canvas requires deeper cleaning, use a lint-free, clean cloth with warm soapy water and gently rub the affected areas. Do not immerse in water or use cleaning products as these can damage the material.

What is JavaScript canvas?

<canvas> is an HTML element which can be used to draw graphics via scripting (usually JavaScript). This can, for instance, be used to draw graphs, combine photos, or create simple (and not so simple) animations.

See also:  How to split a number in JavaScript?

How do you do a soft reset on Nanoleaf canvas?

Soft Reset: This will reset WiFi and all pairing information for your Canvas, but will keep your saved scenes.

  1. Make sure that your Canvas is plugged in to the wall outlet and has booted up (during bootup, all squares are white).
  2. Press and hold the Power and Dim buttons for 10 seconds.

How do I reset my Meural canvas?

Using the object from Step 1, firmly press and hold the reset button. While continuing to hold the reset button, plug the power cord back into your Canvas. Wait twenty seconds, then release the reset button.

How do I remove imported content from canvas?

Click Settings in the left navigation of the course. On the Settings page click Reset Content in right menu. A dialog box will appear warning you that this option is permanent. Click Reset Course Content.

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