怎么看一个画布是由哪个js控制
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解决时间 2021-03-04 11:49
- 提问者网友：风月客
- 2021-03-03 19:25
怎么看一个画布是由哪个js控制
最佳答案
- 五星知识达人网友：孤老序
- 2021-03-03 19:51
<HTML>
<HEAD>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<TITLE>New Document </TITLE>
<script type="text/javascript">
function drawCanvas(){
var canvas = document.getElementById('myCanvas');
canvas.width=100;//重置宽
canvas.height=100;//重置高
var ctx = canvas.getContext('2d');
ctx.fillStyle = '#FF0000';
ctx.fillRect(10, 10, 30, 30);
}
</script>
</HEAD>
<BODY>
<input type="button" value="test" onclick="drawCanvas();"><hr>
<canvas style="background:blue;" height="200" width="200" id="myCanvas">
your browser does not support the canvas tag
</canvas>
</BODY>
</HTML>
<HEAD>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<TITLE>New Document </TITLE>
<script type="text/javascript">
function drawCanvas(){
var canvas = document.getElementById('myCanvas');
canvas.width=100;//重置宽
canvas.height=100;//重置高
var ctx = canvas.getContext('2d');
ctx.fillStyle = '#FF0000';
ctx.fillRect(10, 10, 30, 30);
}
</script>
</HEAD>
<BODY>
<input type="button" value="test" onclick="drawCanvas();"><hr>
<canvas style="background:blue;" height="200" width="200" id="myCanvas">
your browser does not support the canvas tag
</canvas>
</BODY>
</HTML>
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