HTML canvas rect() 方法 Canvas 對象實(shí)例繪制 150*100 像素的矩形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.rect(20,20,150,100);ctx.stroke();嘗試一下 ?瀏覽器支持Internet Explorer 9、Firefox...
http://m.o2fo.com/jsref/met-canvas-rect.htmlHTML canvas shadowOffsetY 屬性 Canvas 對象實(shí)例繪制一個(gè)矩形,帶有向下偏移 20 像素的陰影(從矩形的 top 位置):YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");varctx=c.getContext("2d");ctx.shadowBlur=10;ctx.shadowOffset...
http://m.o2fo.com/jsref/prop-canvas-shadowoffsety.htmlHTML canvas fillRect() 方法 Canvas 對象實(shí)例繪制 150*100 像素的已填充矩形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.fillRect(20,20,150,100);嘗試一下 ?瀏覽器支持Internet Explorer 9、Fire...
http://m.o2fo.com/jsref/met-canvas-fillrect.htmlHTML canvas strokeRect() 方法 Canvas 對象實(shí)例繪制 150*100 像素的矩形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.strokeRect(20,20,150,100);嘗試一下 ?瀏覽器支持Internet Explorer 9、Firefox...
http://m.o2fo.com/jsref/met-canvas-strokerect.htmlHTML canvas clearRect() 方法 Canvas 對象實(shí)例在給定矩形內(nèi)清空一個(gè)矩形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.fillStyle="red";ctx.fillRect(0,0,300,150);ctx.clearRect(20,20,100,50);嘗試一下...
http://m.o2fo.com/jsref/met-canvas-clearrect.htmlHTML canvas arc() 方法 Canvas 對象實(shí)例創(chuàng)建一個(gè)圓形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath();ctx.arc(100,75,50,0,2*Math.PI);ctx.stroke();嘗試一下 ?瀏覽器支持Internet Explorer 9...
http://m.o2fo.com/jsref/met-canvas-arc.htmlHTML canvas fill() 方法 Canvas 對象實(shí)例繪制 150*100 像素的矩形,然后用紅色來給它填色:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.rect(20,20,150,100);ctx.fillStyle="red";ctx.fill();嘗試一...
http://m.o2fo.com/jsref/met-canvas-fill.htmlHTML canvas arcTo() 方法 Canvas 對象實(shí)例在畫布上創(chuàng)建介于兩個(gè)切線之間的?。篩ourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath(); ctx.moveTo(20,20); // Create a starting pointctx.lin...
http://m.o2fo.com/jsref/met-canvas-arcto.htmlHTML canvas fillText() 方法 Canvas 對象實(shí)例使用 fillText(),在畫布上寫文本 "Hello world!" 和 "Big smile!":YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.font="20px Georgia";ctx.fillText("Hello World!...
http://m.o2fo.com/jsref/met-canvas-filltext.htmlHTML canvas stroke() 方法 Canvas 對象實(shí)例繪制一條路徑,形狀是紅色的字母 L:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath();ctx.moveTo(20,20);ctx.lineTo(20,100);ctx.lineTo(70,100);ctx.st...
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HTML canvas rect() 方法 Canvas 對象實(shí)例繪制 150*100 像素的矩形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.rect(20,20,150,100);ctx.stroke();嘗試一下 ?瀏覽器支持Internet Explorer 9、Firefox...
http://m.o2fo.com/jsref/met-canvas-rect.htmlHTML canvas shadowOffsetY 屬性 Canvas 對象實(shí)例繪制一個(gè)矩形,帶有向下偏移 20 像素的陰影(從矩形的 top 位置):YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");varctx=c.getContext("2d");ctx.shadowBlur=10;ctx.shadowOffset...
http://m.o2fo.com/jsref/prop-canvas-shadowoffsety.htmlHTML canvas fillRect() 方法 Canvas 對象實(shí)例繪制 150*100 像素的已填充矩形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.fillRect(20,20,150,100);嘗試一下 ?瀏覽器支持Internet Explorer 9、Fire...
http://m.o2fo.com/jsref/met-canvas-fillrect.htmlHTML canvas strokeRect() 方法 Canvas 對象實(shí)例繪制 150*100 像素的矩形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.strokeRect(20,20,150,100);嘗試一下 ?瀏覽器支持Internet Explorer 9、Firefox...
http://m.o2fo.com/jsref/met-canvas-strokerect.htmlHTML canvas clearRect() 方法 Canvas 對象實(shí)例在給定矩形內(nèi)清空一個(gè)矩形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.fillStyle="red";ctx.fillRect(0,0,300,150);ctx.clearRect(20,20,100,50);嘗試一下...
http://m.o2fo.com/jsref/met-canvas-clearrect.htmlHTML canvas arc() 方法 Canvas 對象實(shí)例創(chuàng)建一個(gè)圓形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath();ctx.arc(100,75,50,0,2*Math.PI);ctx.stroke();嘗試一下 ?瀏覽器支持Internet Explorer 9...
http://m.o2fo.com/jsref/met-canvas-arc.htmlHTML canvas fill() 方法 Canvas 對象實(shí)例繪制 150*100 像素的矩形,然后用紅色來給它填色:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.rect(20,20,150,100);ctx.fillStyle="red";ctx.fill();嘗試一...
http://m.o2fo.com/jsref/met-canvas-fill.htmlHTML canvas arcTo() 方法 Canvas 對象實(shí)例在畫布上創(chuàng)建介于兩個(gè)切線之間的?。篩ourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath(); ctx.moveTo(20,20); // Create a starting pointctx.lin...
http://m.o2fo.com/jsref/met-canvas-arcto.htmlHTML canvas fillText() 方法 Canvas 對象實(shí)例使用 fillText(),在畫布上寫文本 "Hello world!" 和 "Big smile!":YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.font="20px Georgia";ctx.fillText("Hello World!...
http://m.o2fo.com/jsref/met-canvas-filltext.htmlHTML canvas stroke() 方法 Canvas 對象實(shí)例繪制一條路徑,形狀是紅色的字母 L:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath();ctx.moveTo(20,20);ctx.lineTo(20,100);ctx.lineTo(70,100);ctx.st...
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