非常感谢任何帮助。我试图让灯泡动画并在画布中单击它们打开。我已经让它在画布外工作，但不在里面。有什么我想念的东西。我是编程新手。如果可能的话，任何具有背景的建议都是黑色的，然后灯泡会在画布上打开。基本上，夜间类型模式到灯泡是白天时间模式。我看到了一些示例，但不确定它们是否可以在我当前的代码中轻松实现。
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<title>Rummage it All</title>
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<style>
#canvas{
background-color: black;
}
</style>
</head>
<body>
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<a class="dropdown-item" href="#">Rummage Items</a>
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</div>
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<form class="form-inline my-2 my-lg-0">
<input class="form-control mr-sm-2" type="text" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Submit</button>
</form>
</div>
</nav>
<main role="main">
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<div class="jumbotron">
<div class="container">
<h1 class="display-3" style="text-align:center">Rummage Items</h1>
</div>
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<div class="card" style="width: 18rem; color:black">
<img class="card-img-top" src="../images/week2-1logo.jpg" alt="Card image cap">
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<h5 class="card-title"></h5>
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</div>
</div>
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<div class="container">
<div class="row">
<img id="light" width="25" height="25" src="../images/bulboff.gif" onclick="lightbulb()" />
<canvas id="canvas" width="1000" height="650"></canvas>
</div>
</div>
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<p>© Rummage it All</p>
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<script>
//introduction
var title = document.getElementById("canvas");
var ctx = title.getContext("2d");
ctx.font = "24px Arial";
ctx.fillText("Hello Rummagers", 30, 40);
var para = document.getElementById("canvas");
var ctx = para.getContext("2d");
ctx.font = "14px Arial";
ctx.fillText("We are so happy that you found our interactive lamps, click the submit button to determine if your a lucky winner of a prize", 30, 80, 800);
//legs
var legs = document.getElementById("canvas");
var ctx = legs.getContext("2d");
ctx.beginPath();
ctx.lineWidth = "25";
ctx.strokeStyle = "brown";
ctx.moveTo(250,350);
ctx.lineTo(250,600);
ctx.stroke();
ctx.beginPath();
ctx.lineWidth = "25";
ctx.strokeStyle = "brown";
ctx.moveTo(650,350);
ctx.lineTo(650,600);
ctx.stroke();
ctx.beginPath();
ctx.lineWidth = "25";
ctx.strokeStyle = "brown";
ctx.moveTo(750, 350);
ctx.lineTo(150, 350);
ctx.stroke();
//Lamp1 base
ctx.beginPath();
ctx.moveTo(250, 340);
ctx.lineTo(325, 340);
ctx.lineTo(325, 325);
ctx.lineTo(250, 325);
ctx.fill();
//Lamp1 Shaft
ctx.beginPath();
ctx.moveTo(285, 325);
ctx.lineTo(285, 260);
ctx.lineTo(295, 260);
ctx.lineTo(295, 325);
ctx.fill();
//Lamp1 Shade
ctx.beginPath();
ctx.moveTo(240, 260);
ctx.lineTo(340, 260);
ctx.lineTo(305, 190);
ctx.lineTo(270, 190);
ctx.fill();
//Lamp2 base
ctx.beginPath();
ctx.moveTo(575, 340);
ctx.lineTo(650, 340);
ctx.lineTo(650, 325);
ctx.lineTo(575, 325);
ctx.fill();
//Lamp2 Shaft
ctx.beginPath();
ctx.moveTo(610, 325);
ctx.lineTo(610, 260);
ctx.lineTo(620, 260);
ctx.lineTo(620, 325);
ctx.fill();
//Lamp2 Shade
ctx.beginPath();
ctx.moveTo(565, 260);
ctx.lineTo(665, 260);
ctx.lineTo(630, 190);
ctx.lineTo(595, 190);
ctx.fill();
//Lamp Lights
var bulb1 = document.getElementById("canvas");
var ctx = bulb1.getContext("2d");
var img = document.getElementById("light");
ctx.drawImage(img,600,183,25,25);
var bulb2 = document.getElementById("canvas");
var ctx = bulb2.getContext("2d");
var img = document.getElementById("light");
ctx.drawImage(img, 276, 183, 25, 25);
//Light Bulbs work
function lightbulb() {
var image = document.getElementById('light');
if (image.src.match("bulbon")) {
image.src = "../images/bulboff.gif";
} else {
image.src = "../images/bulbon.gif";
}
}
</script>
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script>window.jQuery || document.write('<script src="../js/jquery-3.2.1.slim.min.js"><\/script>')</script>
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