HTML canvas createImageData() Method Last Updated : 12 Jun, 2023 Comments Improve Suggest changes Like Article Like Report The createImageData() method is used to create a new blank ImageData object. The pixels of the new object is transparent black by default. There are two syntaxes of the createImageData() method: It is used to create a new ImageData object with the specified dimensions(in pixels): Syntax: var imgData = context.createImageData(width, height); It is used to create a new ImageData object with the same dimensions as the object specified by anotherImageData. It doesn't copy the image data. Syntax: var imgData=context.createImageData(imageData); Parameter Values: width: It denotes the width(in pixels) of the new ImageData object. height: It denotes the height(in pixels) of the new ImageData object. imageData: It is the anotherImageData object Example: html <!DOCTYPE html> <html> <body> <h3 style="color:green">GeeksforGeeks</h3> <h3>HTML canvas createImageData() Method</h3> <canvas id="myCanvas" width="200" height="200" style="border:2px solid ;"> </canvas> <p id=g eeks></p> <script> var can = document.getElementById("myCanvas"); var gfg = can.getContext("2d"); var imgData = gfg.createImageData(150, 100); var i; for (i = 0; i < imgData.data.length; i += 3) { imgData.data[i + 0] = 100; imgData.data[i + 1] = 0; imgData.data[i + 2] = 0; } gfg.putImageData(imgData, 10, 10); </script> </body> </html> Output: Supported Browsers: Chrome Mozilla Firefox Internet Explorer 9.0 Opera Safari Comment More infoAdvertise with us Next Article HTML canvas createImageData() Method S shubham_singh Follow Improve Article Tags : Web Technologies HTML HTML-Methods Similar Reads HTML Canvas Tutorial HTML Canvas facilitates the element <canvas> to draw graphics on Canvas with the help of JavaScript. 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