Javascript 如何在画布元素上添加?
如何将-Plugin添加到这个canvas元素id=pic?脚本本身已经包含在html页面中,但是如果元素在屏幕上,如何使画布图像仅可见Javascript 如何在画布元素上添加?,javascript,jquery,image,canvas,appearance,Javascript,Jquery,Image,Canvas,Appearance,如何将-Plugin添加到这个canvas元素id=pic?脚本本身已经包含在html页面中,但是如果元素在屏幕上,如何使画布图像仅可见 <canvas id="pic"></canvas> <script type="text/javascript"> var picData6 = whatever1 var options = whatever2 var ct6 = document.getElementById("pic").get
<canvas id="pic"></canvas>
<script type="text/javascript">
var picData6 = whatever1
var options = whatever2
var ct6 = document.getElementById("pic").getContext("2d");
ct6.canvas.width = document.getElementById("pic").offsetWidth-4;
ct6.canvas.height = document.getElementById("pic").offsetHeight;
var Chart6 = new Chart(ct6).Line(picData6,options);
</script>
似乎。似乎必须添加到某个地方。但是在哪里呢
多谢各位 jQuery.appeage只为您注册的元素提供自定义的显示和消失事件 要将其添加到画布,您可以执行以下操作:
// register the element with the plugin
$('#pic').appear();
// do this when it appears
$('#pic').on('appear', function(ev, elements) {
// elements is an array of elements which are now visible on the page
});
根据文档$'someselector'。出现;someselector可以是pic…好的,它是这样工作的:$pic.seen$pic.on'execute',函数{var Chart6=new Chartct6.LinepicData6,options;};