老师 您好 帮我看看效果吧
来源:6-2 编程练习
小虾虾小
2019-11-07 10:40:50
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>canvas字体6-2</title>
<style>
canvas{background-color:lightblue;}
</style>
</head>
<body>
<canvas id="canvas" width="800px" height="800px">您的浏览器不支持canvas
</canvas>
<script>
var canvas=document.getElementById("canvas");
var context=canvas.getContext('2d');
//此处补充代码
var str = '前端路径课程';
context.font = 'bold 30px sans-serif';
context.textAlign = 'center';
context.textBaseline = 'top';
context.fillStyle = 'blue';
context.fillText(str,400,400);
var width = context.measureText(str).width;
var str1 = '字体的width是:'+width+'px';
context.fillText(str1,400,500);
</script>
</body>
</html>
1回答
同学你好!
代码效果实现正确。
如果帮到了你,欢迎采纳,祝学习愉快~
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