Why is the html5 code not working this time? Novice please help_html/css_WEB-ITnose

<script> <br> function createRetcs(context) <br> { <br> <br> context.beginPath(); <br> context.fillStyle="rgb(200,0,0)"; <br> context.fillRect(10,10,100,100); <br> context.fillStyle="rgb(0,200,0)"; <br> context.fillRect(20,20,100,100); <br> context.fillStyle="rgb(0,0,200)"; <br> context.fillRect(30,30,100,100); <br> context.closePath(); <br> } <br> function drawRects() <br> { <br> var canvas=document.getElementById('myCanvas'); <br>     var contex=canvas.getContext('2d'); <br> context.save(); <br> context.translate(130,200); <br> context.lineWidth=4; <br> context.lineJoin='round'; <br> createRetcs(context); <br> context.stroke(); <br> context.restore(); <br> } <br> </script>

回复讨论(解决方案)

canvas我还没开始研究……

用火狐8.0.1测画出来了个框，查查语句。

用火狐8.0.1测画出来了个框，查查语句。
没明白才问哒

嗯  同样的问题