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    CanvasRenderingContext2D.stroke()

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    The CanvasRenderingContext2D.stroke() method of the Canvas 2D API strokes the current or given path with the current stroke style using the non-zero winding rule.

    Syntax

    void ctx.stroke();
void ctx.stroke(path);

    Parameters

    path
    A Path2D path to stroke.

    Examples

    Using the stroke method

    This is just a simple code snippet which uses the stroke method to stroke a path.

    HTML

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

    JavaScript

    var canvas = document.getElementById("canvas");
var ctx = canvas.getContext("2d");
ctx.rect(10, 10, 100, 100);
ctx.stroke();

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

    Playable code
    <canvas id="canvas" width="400" height="200" class="playable-canvas"></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.rect(10, 10, 100, 100);
ctx.stroke();</textarea>

    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.stroke' in that specification.    		 Living Standard  

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support (Yes) (Yes) (Yes) (Yes) (Yes)
    Path parameter (Yes) 31 (31) Not supported (Yes) Not supported
    Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support (Yes) (Yes) (Yes) (Yes) (Yes) (Yes)
    Path parameter ? ? 31.0 (31) ? ? ?

    See also

    Schlagwörter des Dokuments und Mitwirkende

    Schlagwörter: 
     Mitwirkende an dieser Seite: fscholz
     Zuletzt aktualisiert von: fscholz,