如何将颜色设置为使用html5绘制的矩形?
我正在学习Html5如何将颜色设置为使用html5绘制的矩形?,html,Html,我正在学习Html5 <html> <body> <canvas id="canvas1" width="300" height="200"></canvas> <script> var canvas = document.getElementById("canvas1"); var cxt = canvas.getContext("2d"); context.fillRect(0, 0, 150, 100); </sc
<html>
<body>
<canvas id="canvas1" width="300" height="200"></canvas>
<script>
var canvas = document.getElementById("canvas1");
var cxt = canvas.getContext("2d");
context.fillRect(0, 0, 150, 100);
</script>
</body>
</html>
var canvas=document.getElementById(“canvas1”);
var cxt=canvas.getContext(“2d”);
fillRect(0,0150100);
如何设置此矩形的颜色
ctx.fillStyle = "rgb(200,0,0)";
ctx.fillRect(0, 0, 150, 100);
必须在fillRect之前调用fillStyle
如果您还没有使用它:
也许您只是忘记(粘贴)它,但始终使用HTML5doctype,因为这将触发怪癖模式<代码>。