define([ 'Core/defaultValue' ], function( defaultValue) { 'use strict'; var canvasCount = 0; function createCanvas(width, height) { width = defaultValue(width, 1); height = defaultValue(height, 1); var canvas = document.createElement('canvas'); canvas.id = 'canvas' + canvasCount++; canvas.setAttribute('width', width); canvas.setAttribute('clientWidth', width); canvas.setAttribute('height', height); canvas.setAttribute('clientHeight', height); canvas.innerHTML = 'To view this web page, upgrade your browser; it does not support the HTML5 canvas element.'; document.body.appendChild(canvas); return canvas; } return createCanvas; });