...件對(duì)象 實(shí)例 當(dāng) <menu> 元素在上下文菜單顯示時(shí)執(zhí)行 JavaScript: <div contextmenu="mymenu"> <p>Right-click inside this box to see the context menu! <p>用鼠標(biāo)右鍵單擊黃色框區(qū)域查看上下文菜單!</p> <menuitem label="刷新" onc...
http://www.o2fo.com/jsref/event-onshow.html事件對(duì)象 實(shí)例 當(dāng) <details> 元素在打開(kāi)或關(guān)閉時(shí)執(zhí)行 JavaScript: <details ontoggle="myFunction()"> 嘗試一下 ? 定義和用法 ontoggle 事件在用戶打開(kāi)或關(guān)閉 <details> 元素時(shí)觸發(fā)。 <details> 元素描述了額外的信息,用戶可以根...
http://www.o2fo.com/jsref/event-ontoggle.html...作為矩形的填充樣式:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById('myCanvas');var ctx=c.getContext('2d');var grd=ctx.createLinearGradient(0,0,170,0);grd.addColorStop(0,"black");grd.addColorStop(1,"white");ctx.fillStyle=grd;ctx.fillRect(20,20,150,100)...
http://www.o2fo.com/jsref/met-canvas-addcolorstop.html...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、Opera、Chrome 和 Safari 支持 rect()方法...
http://www.o2fo.com/jsref/met-canvas-rect.html...0%,然后再次繪制矩形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.strokeRect(5,5,25,15);ctx.scale(2,2);ctx.strokeRect(5,5,25,15);嘗試一下 ?瀏覽器支持Internet Explorer 9、Firefox、Opera、Chrome...
http://www.o2fo.com/jsref/met-canvas-scale.html...制線條以返回開(kāi)始點(diǎn):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.closePath();ctx.stroke();嘗試一下 ?瀏覽器支持Internet Explo...
http://www.o2fo.com/jsref/met-canvas-closepath.html...位置 300,150 的一條線:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath();ctx.moveTo(0,0);ctx.lineTo(300,150);ctx.stroke();嘗試一下 ?瀏覽器支持Internet Explorer 9、Firefox、Opera、Chrome 和...
http://www.o2fo.com/jsref/met-canvas-lineto.htmlonclick 事件 事件對(duì)象實(shí)例當(dāng)按鈕被點(diǎn)擊時(shí)執(zhí)行Javascript代碼::<button onclick="myFunction()">Click me</button>嘗試一下 ?定義和用法onclick 事件會(huì)在元素被點(diǎn)擊時(shí)發(fā)生。語(yǔ)法HTML 中:<elementonclick="SomeJavaScriptCode">JavaScript 中:object.onc...
http://www.o2fo.com/jsref/jsref-event-onclick.htmlondblclick 事件 事件對(duì)象實(shí)例當(dāng)元素被雙擊時(shí)執(zhí)行Javascript代碼:<p ondblclick="myFunction()">Click me</p>嘗試一下 ?定義和用法ondblclick 事件會(huì)在對(duì)象被雙擊時(shí)發(fā)生。語(yǔ)法 HTML 中:<elementondblclick="SomeJavaScriptCode"> JavaScript 中:object....
http://www.o2fo.com/jsref/jsref-event-ondblclick.htmlonmousedown 事件 事件對(duì)象實(shí)例當(dāng)用戶按下鼠標(biāo)按鈕執(zhí)行Javascript代碼:<p onmousedown="myFunction()">Click the text!</p>嘗試一下 ?(本頁(yè)底部還有更多實(shí)例)定義和用法onmousedown 事件會(huì)在鼠標(biāo)按鍵被按下時(shí)發(fā)生。提示: 與 onmousedown 事...
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...件對(duì)象 實(shí)例 當(dāng) <menu> 元素在上下文菜單顯示時(shí)執(zhí)行 JavaScript: <div contextmenu="mymenu"> <p>Right-click inside this box to see the context menu! <p>用鼠標(biāo)右鍵單擊黃色框區(qū)域查看上下文菜單!</p> <menuitem label="刷新" onc...
http://www.o2fo.com/jsref/event-onshow.html事件對(duì)象 實(shí)例 當(dāng) <details> 元素在打開(kāi)或關(guān)閉時(shí)執(zhí)行 JavaScript: <details ontoggle="myFunction()"> 嘗試一下 ? 定義和用法 ontoggle 事件在用戶打開(kāi)或關(guān)閉 <details> 元素時(shí)觸發(fā)。 <details> 元素描述了額外的信息,用戶可以根...
http://www.o2fo.com/jsref/event-ontoggle.html...作為矩形的填充樣式:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById('myCanvas');var ctx=c.getContext('2d');var grd=ctx.createLinearGradient(0,0,170,0);grd.addColorStop(0,"black");grd.addColorStop(1,"white");ctx.fillStyle=grd;ctx.fillRect(20,20,150,100)...
http://www.o2fo.com/jsref/met-canvas-addcolorstop.html...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、Opera、Chrome 和 Safari 支持 rect()方法...
http://www.o2fo.com/jsref/met-canvas-rect.html...0%,然后再次繪制矩形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.strokeRect(5,5,25,15);ctx.scale(2,2);ctx.strokeRect(5,5,25,15);嘗試一下 ?瀏覽器支持Internet Explorer 9、Firefox、Opera、Chrome...
http://www.o2fo.com/jsref/met-canvas-scale.html...制線條以返回開(kāi)始點(diǎn):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.closePath();ctx.stroke();嘗試一下 ?瀏覽器支持Internet Explo...
http://www.o2fo.com/jsref/met-canvas-closepath.html...位置 300,150 的一條線:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath();ctx.moveTo(0,0);ctx.lineTo(300,150);ctx.stroke();嘗試一下 ?瀏覽器支持Internet Explorer 9、Firefox、Opera、Chrome 和...
http://www.o2fo.com/jsref/met-canvas-lineto.htmlonclick 事件 事件對(duì)象實(shí)例當(dāng)按鈕被點(diǎn)擊時(shí)執(zhí)行Javascript代碼::<button onclick="myFunction()">Click me</button>嘗試一下 ?定義和用法onclick 事件會(huì)在元素被點(diǎn)擊時(shí)發(fā)生。語(yǔ)法HTML 中:<elementonclick="SomeJavaScriptCode">JavaScript 中:object.onc...
http://www.o2fo.com/jsref/jsref-event-onclick.htmlondblclick 事件 事件對(duì)象實(shí)例當(dāng)元素被雙擊時(shí)執(zhí)行Javascript代碼:<p ondblclick="myFunction()">Click me</p>嘗試一下 ?定義和用法ondblclick 事件會(huì)在對(duì)象被雙擊時(shí)發(fā)生。語(yǔ)法 HTML 中:<elementondblclick="SomeJavaScriptCode"> JavaScript 中:object....
http://www.o2fo.com/jsref/jsref-event-ondblclick.htmlonmousedown 事件 事件對(duì)象實(shí)例當(dāng)用戶按下鼠標(biāo)按鈕執(zhí)行Javascript代碼:<p onmousedown="myFunction()">Click the text!</p>嘗試一下 ?(本頁(yè)底部還有更多實(shí)例)定義和用法onmousedown 事件會(huì)在鼠標(biāo)按鍵被按下時(shí)發(fā)生。提示: 與 onmousedown 事...
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