--- title: CanvasRenderingContext2D.moveTo() slug: Web/API/CanvasRenderingContext2D/moveTo translation_of: Web/API/CanvasRenderingContext2D/moveTo ---
CanvasRenderingContext2D
.moveTo()
是 Canvas 2D API 将一个新的子路径的起始点移动到(x,y)坐标的方法。
void ctx.moveTo(x, y);
x
y
moveTo
方法这是一段使用 moveTo
方法的简单的代码片段,移动画笔到起始点绘制一条线。
<canvas id="canvas"></canvas>
var canvas = document.getElementById("canvas"); var ctx = canvas.getContext("2d"); ctx.beginPath(); ctx.moveTo(50,50); ctx.lineTo(200, 50); ctx.stroke();
修改下面的代码并在线查看 canvas 的变化:
{{ EmbedLiveSample('Playable_code', 700, 360) }}
Specification | Status | Comment |
---|---|---|
{{SpecName('HTML WHATWG', "scripting.html#dom-context-2d-moveto", "CanvasRenderingContext2D.moveTo")}} | {{Spec2('HTML WHATWG')}} |
{{CompatibilityTable}}
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} | {{CompatVersionUnknown}} |