CanvasRenderingContext2D.scrollPathIntoView()

This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

The CanvasRenderingContext2D.scrollPathIntoView() method of the Canvas 2D API scrolls the current or given path into the view. It is similar to Element.scrollIntoView().

Syntax

JavaScript
void <var>ctx.scrollPathIntoView();<var>
void <var>ctx.<var>scrollPathIntoView</var>(path);</var></var></var>

Parameters

path
A Path2D path to use.

Examples

Using the scrollPathIntoView method

This is just a simple code snippet which uses the scrollPathIntoView method.

HTML

HTML
<canvas id="canvas"></canvas>

JavaScript

JavaScript
var canvas = document.getElementById("canvas");
var ctx = canvas.getContext("2d");

ctx.beginPath();
ctx.fillRect(10, 10, 30, 30);
ctx.scrollPathIntoView();

Edit the code below and see your changes update live in the canvas:

Playable code
HTML
<canvas id="canvas" width="400" height="200" class="playable-canvas">
<input id="button" type="range" min="1" max="12">
</canvas>
<div class="playable-buttons">
  <input id="edit" type="button" value="Edit" />
  <input id="reset" type="button" value="Reset" />
</div>
<textarea id="code" class="playable-code">
ctx.beginPath();
ctx.rect(10, 10, 30, 30);
ctx.scrollPathIntoView();</textarea>
JavaScript
var canvas = document.getElementById("canvas");
var ctx = canvas.getContext("2d");
var textarea = document.getElementById("code");
var reset = document.getElementById("reset");
var edit = document.getElementById("edit");
var code = textarea.value;

function drawCanvas() {
  ctx.clearRect(0, 0, canvas.width, canvas.height);
  eval(textarea.value);
}

reset.addEventListener("click", function() {
  textarea.value = code;
  drawCanvas();
});

edit.addEventListener("click", function() {
  textarea.focus();
})

textarea.addEventListener("input", drawCanvas);
window.addEventListener("load", drawCanvas);

Specifications

Specification Status Comment
WHATWG HTML Living Standard
The definition of 'CanvasRenderingContext2D.scrollPathIntoView' in that specification.		 Living Standard  

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) [1] Not supported Not supported (Yes) Not supported
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) Not supported Not supported Not supported Not supported

[1] This feature is behind a feature flag. Set the flag ExperimentalCanvasFeatures to true to enable it.

See also

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/canvasrenderingcontext2d/scrollpathintoview

API Canvas CanvasRenderingContext2D Experimental Method Reference