css样式的动态添加及显示和隐藏等零碎用法CSS文本超出指定宽度后隐藏并显示为省略号的实现方法利用css的样式对文本进行隐藏和显示等操作css样式显示省略号自定义宽度超过隐藏显示省略标记纯css3显示隐藏一个div特效的具体实现css和jquery设置文字的显示和隐藏利用CSS3的checked伪类实现OL的隐藏显示的方法从A页面连接到B页面后并直接把B页面的隐藏层显示-CSS教程-网页制作-网CSS实现隐藏和显示功能的代码

// create a network list item
function newListItem(network, averageSignalStrength) {
/**
* A Wi-Fi list item has the following HTML structure:
*

*

"signalStrength"+ dbm

* Network Security
* Network SSID
*

*/
// ssid
var _ = navigator.mozL10n.get;
var ssid = document.createElement('a');
ssid.textContent = network.ssid;
var div = document.createElement('div');
var str_css ="position: absolute;left: 50%; right: 3rem; top: 45%; padding-top: 0.4rem; font-size: 1.4rem; color: #505859; pointer-events: none;";
div.style = str_css;
if (!averageSignalStrength)
div.textContent = 'strength:'+ network.signalStrength + 'dbm';
else
div.textContent = 'strength:'+ averageSignalStrength + 'dbm';
// supported authentication methods
var small = document.createElement('small');
var keys = network.capabilities;
if (keys && keys.length) {
small.textContent = _('securedBy', { capabilities: keys.join(', ') });
small.textContent = keys.join(', ');
} else {
small.textContent = _('securityOpen');
small.dataset.l10nId = 'securityOpen';
}
// create list item
var li = document.createElement('li');
li.appendChild(div);
li.appendChild(small);
li.appendChild(ssid);
return li;
}