#myCanvas

measureText

'Hello World'|'How are you?'|'It is a great day!'

ctx.font='30px Arial'; let m=ctx.measureText(#val); ctx.fillText(m.width,10,30);

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Canvas 画布
HTML canvas measureText() 方法
playcanvas_measuretext

Canvas

观看属性不同值的演示

单击下面的属性值可查看结果: