HTML canvas shadowBlur 屬性 Canvas 對象實例繪制一個帶有黑色陰影的紅色矩形,模糊級數(shù)是 20:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.shadowBlur=20;ctx.shadowColor="black";ctx.fillStyle="...
http://hgci.cn/jsref/prop-canvas-shadowblur.htmlHTML canvas miterLimit 屬性 Canvas 對象實例以最大斜接長度 5 繪制線條:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.lineWidth=10;ctx.lineJoin="miter";ctx.miterLimit=5;ctx.moveTo(20,20);ctx.lineTo(50,...
http://hgci.cn/jsref/prop-canvas-miterlimit.htmlHTML canvas shadowOffsetX 屬性 Canvas 對象實例繪制一個矩形,帶有向右偏移 20 像素的陰影(從矩形的 left 位置):YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");varctx=c.getContext("2d");ctx.shadowBlur=10;ctx.shadowOffse...
http://hgci.cn/jsref/prop-canvas-shadowoffsetx.htmlHTML canvas rect() 方法 Canvas 對象實例繪制 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://hgci.cn/jsref/met-canvas-rect.htmlHTML canvas shadowOffsetY 屬性 Canvas 對象實例繪制一個矩形,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://hgci.cn/jsref/prop-canvas-shadowoffsety.htmlHTML canvas fillRect() 方法 Canvas 對象實例繪制 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://hgci.cn/jsref/met-canvas-fillrect.htmlHTML canvas strokeRect() 方法 Canvas 對象實例繪制 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://hgci.cn/jsref/met-canvas-strokerect.htmlHTML canvas clearRect() 方法 Canvas 對象實例在給定矩形內(nèi)清空一個矩形: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://hgci.cn/jsref/met-canvas-clearrect.htmlHTML canvas arc() 方法 Canvas 對象實例創(chuàng)建一個圓形: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://hgci.cn/jsref/met-canvas-arc.htmlHTML canvas fill() 方法 Canvas 對象實例繪制 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...
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HTML canvas shadowBlur 屬性 Canvas 對象實例繪制一個帶有黑色陰影的紅色矩形,模糊級數(shù)是 20:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.shadowBlur=20;ctx.shadowColor="black";ctx.fillStyle="...
http://hgci.cn/jsref/prop-canvas-shadowblur.htmlHTML canvas miterLimit 屬性 Canvas 對象實例以最大斜接長度 5 繪制線條:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.lineWidth=10;ctx.lineJoin="miter";ctx.miterLimit=5;ctx.moveTo(20,20);ctx.lineTo(50,...
http://hgci.cn/jsref/prop-canvas-miterlimit.htmlHTML canvas shadowOffsetX 屬性 Canvas 對象實例繪制一個矩形,帶有向右偏移 20 像素的陰影(從矩形的 left 位置):YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");varctx=c.getContext("2d");ctx.shadowBlur=10;ctx.shadowOffse...
http://hgci.cn/jsref/prop-canvas-shadowoffsetx.htmlHTML canvas rect() 方法 Canvas 對象實例繪制 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://hgci.cn/jsref/met-canvas-rect.htmlHTML canvas shadowOffsetY 屬性 Canvas 對象實例繪制一個矩形,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://hgci.cn/jsref/prop-canvas-shadowoffsety.htmlHTML canvas fillRect() 方法 Canvas 對象實例繪制 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://hgci.cn/jsref/met-canvas-fillrect.htmlHTML canvas strokeRect() 方法 Canvas 對象實例繪制 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://hgci.cn/jsref/met-canvas-strokerect.htmlHTML canvas clearRect() 方法 Canvas 對象實例在給定矩形內(nèi)清空一個矩形: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://hgci.cn/jsref/met-canvas-clearrect.htmlHTML canvas arc() 方法 Canvas 對象實例創(chuàng)建一個圓形: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://hgci.cn/jsref/met-canvas-arc.htmlHTML canvas fill() 方法 Canvas 對象實例繪制 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...
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