html悬浮球效果
在pc上面可能会有差异，在移动端上面效果会更好
html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1,maximum-scale=1,user-scalable=no">
<title>悬浮球</title>
<style>
*{
padding: 0;
margin: 0;
}
#id{
width: 50px;
height: 50px;
position: fixed;
left: 0px;top: 300px;
background: darkgrey;
cursor: pointer;
}
#span{
font-size: 18px;
position: absolute;
}
#id2{
width: 50px;
height: 50px;
position: fixed;
right: 0px;top: 200px;
background: red;
cursor: pointer;
}
#span2{
font-size: 18px;
position: absolute;
}
</style>
</head>
<body>
<div id="id">
<img style="width: 35px;height: 35px;" src="data:image/svg+xml;base64,<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 32 32" height="1024" width="1024">
<g clip-path="url(#clip0_31_1447)">
<path fill="url(#paint0_radial_31_1447)" d="M15.9989 29.9978C25.3333 29.9978 29.9978 23.7303 29.9978 15.9989C29.9978 8.26751 25.3333 2 15.9989 2C6.66443 2 2 8.26751 2 15.9989C2 23.7303 6.66443 29.9978 15.9989 29.9978Z"></path>
<path fill-opacity="0.6" fill="url(#paint1_radial_31_1447)" d="M15.9989 29.9978C25.3333 29.9978 29.9978 23.7303 29.9978 15.9989C29.9978 8.26751 25.3333 2 15.9989 2C6.66443 2 2 8.26751 2 15.9989C2 23.7303 6.66443 29.9978 15.9989 29.9978Z"></path>
<path stroke-linecap="round" stroke-width="2" stroke="url(#paint2_linear_31_1447)" d="M12 26C12.3333 25.3333 13.6 24 16 24C18.4 24 19.6667 25.3333 20 26"></path>
<circle fill="url(#paint3_radial_31_1447)" r="5" cy="19" cx="9"></circle>
<circle fill="url(#paint4_radial_31_1447)" r="4.5" cy="19.5" cx="19.5"></circle>
<path fill="white" d="M10.5 22C12.9853 22 15 19.9853 15 17.5C15 15.0147 12.9853 13 10.5 13C8.01472 13 6 15.0147 6 17.5C6 19.9853 8.01472 22 10.5 22Z"></path>
<path fill="white" d="M21.5 22C23.9853 22 26 19.9853 26 17.5C26 15.0147 23.9853 13 21.5 13C19.0147 13 17 15.0147 17 17.5C17 19.9853 19.0147 22 21.5 22Z"></path>
<path fill="url(#paint5_linear_31_1447)" d="M12 20C13.1046 20 14 19.1046 14 18C14 16.8954 13.1046 16 12 16C10.8954 16 10 16.8954 10 18C10 19.1046 10.8954 20 12 20Z"></path>
<path fill="url(#paint6_linear_31_1447)" d="M20 20C21.1046 20 22 19.1046 22 18C22 16.8954 21.1046 16 20 16C18.8954 16 18 16.8954 18 18C18 19.1046 18.8954 20 20 20Z"></path>
<path stroke-linejoin="round" stroke-linecap="round" stroke-width="1.5" stroke="url(#paint7_linear_31_1447)" d="M10.25 11.25C10.25 11.25 11 14.25 14.25 14.25"></path>
<path stroke-linejoin="round" stroke-linecap="round" stroke-width="1.5" stroke="url(#paint8_linear_31_1447)" d="M21.75 11.25C21.75 11.25 21 14.25 17.75 14.25"></path>
<path fill="url(#paint9_radial_31_1447)" d="M8 6C8 6 5.60778 5.26667 4.45778 3.22667C4.17778 2.71667 3.85778 3.22667 3.85778 3.22667C3.85778 3.22667 1.84997 7 3.99997 11C4.25997 11.69 5.51 12 6.5 12C8.29 12 9.60777 10.4667 9.60777 8.68667C9.61777 7.46667 9.08 6.36 8 6Z"></path>
<path fill="url(#paint10_radial_31_1447)" d="M24.0061 6C24.0061 6 26.3983 5.26667 27.5483 3.22667C27.8283 2.71667 28.1483 3.22667 28.1483 3.22667C28.1483 3.22667 30.1561 7 28.0061 11C27.7461 11.69 26.4961 12 25.5061 12C23.7161 12 22.3983 10.4667 22.3983 8.68667C22.3883 7.46667 22.9261 6.36 24.0061 6Z"></path>
<path fill="url(#paint11_radial_31_1447)" d="M24.0061 6C24.0061 6 26.3983 5.26667 27.5483 3.22667C27.8283 2.71667 28.1483 3.22667 28.1483 3.22667C28.1483 3.22667 30.1561 7 28.0061 11C27.7461 11.69 26.4961 12 25.5061 12C23.7161 12 22.3983 10.4667 22.3983 8.68667C22.3883 7.46667 22.9261 6.36 24.0061 6Z"></path>
</g>
<defs>
<radialGradient gradientTransform="translate(21.5 10) rotate(94.5739) scale(25.0799)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint0_radial_31_1447">
<stop stop-color="#9F70B8"></stop>
<stop stop-color="#8543A8" offset="0.514303"></stop>
<stop stop-color="#9344BB" offset="0.71368"></stop>
<stop stop-color="#6B438B" offset="0.888763"></stop>
</radialGradient>
<radialGradient gradientTransform="translate(18 14) rotate(135) scale(45.2548)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint1_radial_31_1447">
<stop stop-opacity="0" offset="0.314853"></stop>
<stop offset="1"></stop>
</radialGradient>
<linearGradient gradientUnits="userSpaceOnUse" y2="25" x2="16" y1="23" x1="16" id="paint2_linear_31_1447">
<stop stop-color="#4F3C43"></stop>
<stop stop-color="#512756" offset="1"></stop>
</linearGradient>
<radialGradient gradientTransform="translate(12.8889 15.1111) rotate(135) scale(9.74236 5.04232)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint3_radial_31_1447">
<stop stop-color="#392108"></stop>
<stop stop-opacity="0" stop-color="#C87928" offset="1"></stop>
</radialGradient>
<radialGradient gradientTransform="translate(23 16) rotate(135) scale(8.13173 4.59049)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint4_radial_31_1447">
<stop stop-color="#392108"></stop>
<stop stop-opacity="0" stop-color="#C87928" offset="1"></stop>
</radialGradient>
<linearGradient gradientUnits="userSpaceOnUse" y2="20.0302" x2="19.9265" y1="16" x1="20.6154" id="paint5_linear_31_1447">
<stop stop-color="#553B3E"></stop>
<stop stop-color="#3D2432" offset="1"></stop>
</linearGradient>
<linearGradient gradientUnits="userSpaceOnUse" y2="20.0302" x2="19.9265" y1="16" x1="20.6154" id="paint6_linear_31_1447">
<stop stop-color="#553B3E"></stop>
<stop stop-color="#3D2432" offset="1"></stop>
</linearGradient>
<linearGradient gradientUnits="userSpaceOnUse" y2="12.5" x2="11.5" y1="11" x1="11.5" id="paint7_linear_31_1447">
<stop stop-color="#524049" offset="0.0299084"></stop>
<stop stop-color="#4A2C42" offset="1"></stop>
</linearGradient>
<linearGradient gradientUnits="userSpaceOnUse" y2="12.5" x2="20.5" y1="11" x1="20.5" id="paint8_linear_31_1447">
<stop stop-color="#524049" offset="0.0299084"></stop>
<stop stop-color="#4A2C42" offset="1"></stop>
</linearGradient>
<radialGradient gradientTransform="translate(12 1.5) rotate(165.379) scale(11.8849 11.8849)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint9_radial_31_1447">
<stop stop-color="#8649AC" offset="0.472635"></stop>
<stop stop-color="#AE7CC7" offset="0.644517"></stop>
<stop stop-color="#9353B3" offset="0.759105"></stop>
<stop stop-color="#733295" offset="0.945555"></stop>
</radialGradient>
<radialGradient gradientTransform="translate(15 5) rotate(-8.36589) scale(17.1828 17.1828)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint10_radial_31_1447">
<stop stop-color="#613184" offset="0.472635"></stop>
<stop stop-color="#9353B8" offset="0.727168"></stop>
<stop stop-color="#792F9F" offset="0.945555"></stop>
</radialGradient>
<radialGradient gradientTransform="translate(28 4.5) rotate(103.134) scale(15.4029 5.28047)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint11_radial_31_1447">
<stop stop-color="#B676D6"></stop>
<stop stop-opacity="0" stop-color="#B676D6" offset="0.305394"></stop>
</radialGradient>
<clipPath id="clip0_31_1447">
<rect fill="white" height="32" width="32"></rect>
</clipPath>
</defs>
</svg>">
<span id="span">X</span>
</div>
<div id="id2">
<img style="width: 35px;height: 35px;" src="data:image/svg+xml;base64,<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 32 32" height="1024" width="1024">
<path fill="url(#paint0_radial_31_1636)" d="M15.9989 29.9978C25.3333 29.9978 29.9978 23.7303 29.9978 15.9989C29.9978 8.26751 25.3333 2 15.9989 2C6.66443 2 2 8.26751 2 15.9989C2 23.7303 6.66443 29.9978 15.9989 29.9978Z"></path>
<path fill="url(#paint1_radial_31_1636)" d="M15.9989 29.9978C25.3333 29.9978 29.9978 23.7303 29.9978 15.9989C29.9978 8.26751 25.3333 2 15.9989 2C6.66443 2 2 8.26751 2 15.9989C2 23.7303 6.66443 29.9978 15.9989 29.9978Z"></path>
<path fill-opacity="0.6" fill="url(#paint2_radial_31_1636)" d="M15.9989 29.9978C25.3333 29.9978 29.9978 23.7303 29.9978 15.9989C29.9978 8.26751 25.3333 2 15.9989 2C6.66443 2 2 8.26751 2 15.9989C2 23.7303 6.66443 29.9978 15.9989 29.9978Z"></path>
<path fill="url(#paint3_radial_31_1636)" d="M6.92722 11.4485C5.20028 12.2362 4 13.9779 4 15.9999C4 18.7614 6.23858 20.9999 9 20.9999C11.7614 20.9999 14 18.7614 14 15.9999C14 14.1529 12.9984 12.5397 11.5088 11.6739C10.9375 11.8689 10.2679 11.9999 9.5 11.9999C8.46327 11.9999 7.60568 11.7611 6.92722 11.4485Z" clip-rule="evenodd" fill-rule="evenodd"></path>
<circle fill="url(#paint4_radial_31_1636)" r="4.5" cy="16.5" cx="19.5"></circle>
<path fill="white" d="M13.1107 10.8344C12.3699 11.383 11.1664 12 9.5 12C8.55784 12 7.76363 11.8028 7.11736 11.5322C6.42175 12.3244 6 13.3629 6 14.5C6 16.9853 8.01472 19 10.5 19C12.9853 19 15 16.9853 15 14.5C15 12.9881 14.2543 11.6503 13.1107 10.8344ZM24.8826 11.5322C24.2364 11.8028 23.4422 12 22.5 12C20.8336 12 19.6301 11.383 18.8893 10.8344C17.7457 11.6503 17 12.9881 17 14.5C17 16.9853 19.0147 19 21.5 19C23.9853 19 26 16.9853 26 14.5C26 13.3629 25.5782 12.3244 24.8826 11.5322Z" clip-rule="evenodd" fill-rule="evenodd"></path>
<path fill="url(#paint5_linear_31_1636)" d="M12 17C13.1046 17 14 16.1046 14 15C14 13.8954 13.1046 13 12 13C10.8954 13 10 13.8954 10 15C10 16.1046 10.8954 17 12 17Z"></path>
<path fill="url(#paint6_linear_31_1636)" d="M20 17C21.1046 17 22 16.1046 22 15C22 13.8954 21.1046 13 20 13C18.8954 13 18 13.8954 18 15C18 16.1046 18.8954 17 20 17Z"></path>
<g filter="url(#filter0_f_31_1636)">
<path stroke-linejoin="round" stroke-linecap="round" stroke-width="1.25" stroke="#4475BF" d="M10.25 6C10.25 6 9.75 9 6.25 9"></path>
</g>
<g filter="url(#filter1_f_31_1636)">
<path stroke-linejoin="round" stroke-linecap="round" stroke-width="1.25" stroke="#166CDE" d="M21 5.75C21 5.75 21.5 8.75 25 8.75"></path>
</g>
<path stroke-linejoin="round" stroke-linecap="round" stroke-width="1.25" stroke="url(#paint7_linear_31_1636)" d="M10.5 5.5C10.5 5.5 10 8.5 6.5 8.5"></path>
<path stroke-linejoin="round" stroke-linecap="round" stroke-width="1.25" stroke="url(#paint8_radial_31_1636)" d="M10.5 5.5C10.5 5.5 10 8.5 6.5 8.5"></path>
<path stroke-linejoin="round" stroke-linecap="round" stroke-width="1.25" stroke="url(#paint9_radial_31_1636)" d="M21.5 5.5C21.5 5.5 22 8.5 25.5 8.5"></path>
<path fill="url(#paint10_radial_31_1636)" d="M20.9013 25.0064C21.0104 25.5478 20.5516 26 19.9993 26C16.9301 26 14.7168 26 12.0002 26C11.448 26 10.9896 25.5478 11.0987 25.0064C11.5595 22.721 13.5788 21 16 21C18.4212 21 20.4405 22.721 20.9013 25.0064Z"></path>
<rect fill="url(#paint11_radial_31_1636)" rx="2.5" height="9" width="5" y="16" x="1"></rect>
<defs>
<filter color-interpolation-filters="sRGB" filterUnits="userSpaceOnUse" height="6.25012" width="7.25012" y="4.37488" x="4.625" id="filter0_f_31_1636">
<feFlood result="BackgroundImageFix" flood-opacity="0"></feFlood>
<feBlend result="shape" in2="BackgroundImageFix" in="SourceGraphic" mode="normal"></feBlend>
<feGaussianBlur result="effect1_foregroundBlur_31_1636" stdDeviation="0.5"></feGaussianBlur>
</filter>
<filter color-interpolation-filters="sRGB" filterUnits="userSpaceOnUse" height="6.25012" width="7.25012" y="4.12488" x="19.3749" id="filter1_f_31_1636">
<feFlood result="BackgroundImageFix" flood-opacity="0"></feFlood>
<feBlend result="shape" in2="BackgroundImageFix" in="SourceGraphic" mode="normal"></feBlend>
<feGaussianBlur result="effect1_foregroundBlur_31_1636" stdDeviation="0.5"></feGaussianBlur>
</filter>
<radialGradient gradientTransform="translate(25.5 9) rotate(132.839) scale(37.5033)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint0_radial_31_1636">
<stop stop-color="#FFF478"></stop>
<stop stop-color="#FFB02E" offset="0.474827"></stop>
<stop stop-color="#F70A8D" offset="1"></stop>
</radialGradient>
<radialGradient gradientTransform="translate(16 49) rotate(-90) scale(51 64.9968)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint1_radial_31_1636">
<stop stop-opacity="0" stop-color="#BFB2DD" offset="0.670495"></stop>
<stop stop-color="#A4AEEB" offset="0.747649"></stop>
<stop stop-color="#379EFF" offset="0.811631"></stop>
<stop stop-color="#1345B7" offset="0.964059"></stop>
</radialGradient>
<radialGradient gradientTransform="translate(18 14) rotate(135) scale(41.0122)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint2_radial_31_1636">
<stop stop-opacity="0" offset="0.314853"></stop>
<stop offset="1"></stop>
</radialGradient>
<radialGradient gradientTransform="translate(12.8889 12.1111) rotate(135) scale(9.74236 5.04232)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint3_radial_31_1636">
<stop stop-color="#392108" offset="0.330628"></stop>
<stop stop-opacity="0" stop-color="#C87928" offset="1"></stop>
</radialGradient>
<radialGradient gradientTransform="translate(23 13) rotate(135) scale(8.13173 4.59049)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint4_radial_31_1636">
<stop stop-color="#392108" offset="0.402076"></stop>
<stop stop-opacity="0" stop-color="#C87928" offset="1"></stop>
</radialGradient>
<linearGradient gradientUnits="userSpaceOnUse" y2="17" x2="20" y1="13" x1="20.7692" id="paint5_linear_31_1636">
<stop stop-color="#553B3E"></stop>
<stop stop-color="#3D2432" offset="1"></stop>
</linearGradient>
<linearGradient gradientUnits="userSpaceOnUse" y2="17" x2="20" y1="13" x1="20.7692" id="paint6_linear_31_1636">
<stop stop-color="#553B3E"></stop>
<stop stop-color="#3D2432" offset="1"></stop>
</linearGradient>
<linearGradient gradientUnits="userSpaceOnUse" y2="6.5" x2="9.5" y1="5" x1="9.5" id="paint7_linear_31_1636">
<stop stop-color="#524049" offset="0.0299084"></stop>
<stop stop-color="#4A2C42" offset="1"></stop>
</linearGradient>
<radialGradient gradientTransform="translate(7 5) rotate(54.4623) scale(4.30116)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint8_radial_31_1636">
<stop stop-color="#493032" offset="0.541667"></stop>
<stop stop-color="#5E445A" offset="0.806723"></stop>
<stop stop-color="#4A2C42" offset="0.955326"></stop>
</radialGradient>
<radialGradient gradientTransform="translate(25 5) rotate(125.538) scale(4.30116)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint9_radial_31_1636">
<stop stop-color="#C2B4B5"></stop>
<stop stop-color="#462B45" offset="0.887405"></stop>
<stop stop-color="#4A2C42" offset="1"></stop>
</radialGradient>
<radialGradient gradientTransform="translate(16 27.1111) rotate(-90) scale(7.61111 15.2222)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint10_radial_31_1636">
<stop stop-color="#F70A8D"></stop>
<stop stop-color="#89029C" offset="1"></stop>
</radialGradient>
<radialGradient gradientTransform="translate(5.16667 16.4091) rotate(104.88) scale(9.73555 3.6969)" gradientUnits="userSpaceOnUse" r="1" cy="0" cx="0" id="paint11_radial_31_1636">
<stop stop-color="#5C98FF"></stop>
<stop stop-color="#3D5BF1" offset="0.805982"></stop>
<stop stop-color="#6065CA" offset="0.962238"></stop>
</radialGradient>
</defs>
</svg>">
<span id="span2">X</span>
</div>
<script type="text/javascript">
// 辅助函数：获取元素样式
function getStyle(element, property) {
return window.getComputedStyle(element)[property];
}
// 辅助函数：设置元素样式
function setStyle(element, property, value) {
element.style[property] = value;
}
// 悬浮球移动逻辑函数
function initDraggable(elementId) {
var _x_start, _y_start, _x_move, _y_move, _x_end, _y_end, left_start, top_start;
var element = document.getElementById(elementId);
// 触摸按下
element.addEventListener("touchstart", function(e) {
_x_start = e.touches[0].pageX; // 起始点击位置
_y_start = e.touches[0].pageY; // 起始点击位置
left_start = getStyle(element, "left"); // 元素左边距
top_start = getStyle(element, "top"); // 元素上边距
});
// 触摸移动
element.addEventListener("touchmove", function(e) {
e.preventDefault(); // 取消事件的默认动作
_x_move = e.touches[0].pageX; // 当前屏幕上所有触摸点的集合列表
_y_move = e.touches[0].pageY; // 当前屏幕上所有触摸点的集合列表
// 左边距=当前触摸点-鼠标起始点击位置+起始左边距
setStyle(element, "left", (parseFloat(_x_move) - parseFloat(_x_start) + parseFloat(left_start)) + "px");
// 上边距=当前触摸点-鼠标起始点击位置+起始上边距
setStyle(element, "top", (parseFloat(_y_move) - parseFloat(_y_start) + parseFloat(top_start)) + "px");
});
// 触摸松开
element.addEventListener("touchend", function(e) {
var bodyW = window.innerWidth / 2; // 屏幕宽的一半
var bodyH = window.innerHeight; // 屏幕高
var _x_end = e.changedTouches[0].pageX; // 松开位置
var _y_end = e.changedTouches[0].pageY; // 松开位置
var divH = element.offsetHeight; // 元素高
var divW = element.offsetWidth; // 元素宽
// 当最终位置在屏幕左半部分
if (_x_end < bodyW) {
setStyle(element, "left", "0px");
} else if (_x_end >= bodyW) { // 当最终位置在屏幕右半部分
setStyle(element, "left", (window.innerWidth - parseFloat(divW)) + "px");
}
// 当元素顶部在屏幕外时
if (parseFloat(getStyle(element, "top")) < 0) {
// 置于顶部
setStyle(element, "top", "0px"); // 置于顶部
}
// 当元素底部在屏幕外时
if (bodyH - _y_end < parseFloat(divH) / 2) {
// 置于底部
setStyle(element, "top", (bodyH - parseFloat(divH)) + "px");
}
});
// 鼠标按下
element.addEventListener("mousedown", function(e) {
_x_start = e.pageX; // 起始点击位置
_y_start = e.pageY; // 起始点击位置
left_start = getStyle(element, "left"); // 元素左边距
top_start = getStyle(element, "top"); // 元素上边距
});
// 鼠标移动
element.addEventListener("mousemove", function(e) {
// 只有在鼠标按下时才执行移动
if (_x_start && _y_start) {
_x_move = e.pageX; // 当前鼠标位置
_y_move = e.pageY; // 当前鼠标位置
// 左边距=当前鼠标位置-鼠标起始点击位置+起始左边距
setStyle(element, "left", (parseFloat(_x_move) - parseFloat(_x_start) + parseFloat(left_start)) + "px");
// 上边距=当前鼠标位置-鼠标起始点击位置+起始上边距
setStyle(element, "top", (parseFloat(_y_move) - parseFloat(_y_start) + parseFloat(top_start)) + "px");
}
});
// 鼠标松开
document.addEventListener("mouseup", function(e) {
if (_x_start && _y_start) {
var bodyW = window.innerWidth / 2; // 屏幕宽的一半
var bodyH = window.innerHeight; // 屏幕高
var _x_end = e.pageX; // 松开位置
var _y_end = e.pageY; // 松开位置
var divH = element.offsetHeight; // 元素高
var divW = element.offsetWidth; // 元素宽
// 当最终位置在屏幕左半部分
if (_x_end < bodyW) {
setStyle(element, "left", "0px");
} else if (_x_end >= bodyW) { // 当最终位置在屏幕右半部分
setStyle(element, "left", (window.innerWidth - parseFloat(divW)) + "px");
}
// 当元素顶部在屏幕外时
if (parseFloat(getStyle(element, "top")) < 0) {
// 置于顶部
setStyle(element, "top", "0px"); // 置于顶部
}
// 当元素底部在屏幕外时
if (bodyH - _y_end < parseFloat(divH) / 2) {
// 置于底部
setStyle(element, "top", (bodyH - parseFloat(divH)) + "px");
}
// 重置起始位置
_x_start = null;
_y_start = null;
}
});
}
// 初始化悬浮球1
initDraggable("id");
// 初始化悬浮球2（示例，用于测试复用）
initDraggable("id2");
// 点击事件
document.querySelectorAll("img").forEach(function(img) {
img.addEventListener("click", function() {
console.log('点击');
});
});
// 关闭按钮点击事件
document.getElementById("span").addEventListener("click", function() {
setStyle(document.getElementById("id"), "display", "none");
});
document.getElementById("span2").addEventListener("click", function() {
setStyle(document.getElementById("id2"), "display", "none");
});
</script>
</body>
</html>