Javascript 向动态创建的div添加增量相对位置
我正在尝试使用动态创建的div创建此形状。我已经有了这个代码:Javascript 向动态创建的div添加增量相对位置,javascript,Javascript,我正在尝试使用动态创建的div创建此形状。我已经有了这个代码: var bgImg = ['ScreenShot.png', 'stars.jpg', 'ScreenShot.png', 'stars_1230_600x450.jpg']; for (var i = 0, n = 12; i < n; i++) { var port = document.createElement('div'); document.body.appendChild(port); por
var bgImg = ['ScreenShot.png', 'stars.jpg', 'ScreenShot.png', 'stars_1230_600x450.jpg'];
for (var i = 0, n = 12; i < n; i++) {
var port = document.createElement('div');
document.body.appendChild(port);
port.style.backgroundImage = "url('" + bgImg[3] + "')";
我想我必须创建三个div/脚本,每行一个,这样才能使div正确对齐。主css将设置具有负边距顶部的div,以便它们可以正确级联
作为参考,我的css如下所示:
div {
height: 190px;
width:230px;
background: red;
position: relative;
background: #ef4c4d;
background-position: center;
float: left;
margin: 8px;
top: 30px;
left: 10px;
}
div:before {
content: '';
position: absolute;
bottom: 0; right: 0;
border-bottom: 60px solid #0d1036;
border-left: 60px solid transparent;
width: 0;
}
div:after {
content: '';
position: absolute;
top: 0; left: 0;
border-top: 60px solid #0d1036;
border-right:60px solid transparent;
width: 0;
}
for (var i = 0, n = 12; i < n; i++) {
var port = document.createElement('div');
port.style.backgroundImage = "url('" + bgImg[3] + "')";
document.body.appendChild(port);
}
我想我需要从数组中提取整数,但确实不确定。我在代码中注意到一些事情:
for (var i = 0, n = 12; i < n; i++) {
var port = document.createElement('div');
document.body.appendChild(port);
// <- end "}" of for loop is missing here
port.style.backgroundImage = "url('" + bgImg[3] + "')"; // <- will just be applied on the last created div
我猜你想要这样的东西:
div {
height: 190px;
width:230px;
background: red;
position: relative;
background: #ef4c4d;
background-position: center;
float: left;
margin: 8px;
top: 30px;
left: 10px;
}
div:before {
content: '';
position: absolute;
bottom: 0; right: 0;
border-bottom: 60px solid #0d1036;
border-left: 60px solid transparent;
width: 0;
}
div:after {
content: '';
position: absolute;
top: 0; left: 0;
border-top: 60px solid #0d1036;
border-right:60px solid transparent;
width: 0;
}
for (var i = 0, n = 12; i < n; i++) {
var port = document.createElement('div');
port.style.backgroundImage = "url('" + bgImg[3] + "')";
document.body.appendChild(port);
}
要更新top属性,可以将此代码用于:
谢谢你的帮助!你提供的代码不太管用,但我修改了它和魔术!对于var i=0,n=4;i