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<html><body><h1>HTML5 Canvas - strokeRect()</h1><canvas id="myCanvas" width="300" height="150" style="border:1px solid black">Sorry, your browser does not support canvas.</canvas><script>const canvas = document.getElementById("myCanvas");const ctx = canvas.getContext("2d");// Red rectanglectx.lineWidth = "6";ctx.strokeStyle = "red";ctx.strokeRect(5, 5, 290, 140); // Green rectanglectx.lineWidth = "4";ctx.strokeStyle = "green";ctx.strokeRect(30, 30, 50, 50);// Blue rectanglectx.lineWidth = "10";ctx.strokeStyle = "blue";ctx.strokeRect(50, 50, 150, 80);</script> </body></html>