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How do I get jQuery to select elements with a . (period) in their ID?
... The solution as per the jQuery docs is adding only one "\" (slash). alert(escapeSelector("some.id")); will output as some\.id. So I guess the replace regex should have been s.replace( /(:|\.|[|])/g, "\\\\$1" );
– Arun
Apr 30 '15 at 10:35
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App Inventor 2 KIO4_Gradient 拓展：布局中的颜色渐变 · App Inventor 2 中文网
... App Inventor 2 KIO4_Gradient 拓展：布局中的颜色渐变
KIO4_Gradient 拓展：布局中的颜色渐变
使用案例
创建圆角渐变标题栏
方法
属性
拓展下载
版权信息
« 返...
Get Substring between two characters using javascript
...plit()
var s = 'MyLongString:StringIWant;';
var arrStr = s.split(/[:;]/);
alert(arrStr);
arrStr will contain all the string delimited by : or ;
So access every string through for-loop
for(var i=0; i<arrStr.length; i++)
alert(arrStr[i]);
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How to extract extension from filename string in Javascript? [duplicate]
...astIndexOf() as opposed to indexOf()
var myString = "this.is.my.file.txt"
alert(myString.substring(myString.lastIndexOf(".")+1))
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How to extract the hostname portion of a URL in JavaScript
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Use document.location object and its host or hostname properties.
alert(document.location.hostname); // alerts "stackoverflow.com"
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How to get screen width without (minus) scrollbar?
..., html').css('overflow', 'visible');
var screenWidth2 = $(window).width();
alert(screenWidth1); // Gives the screenwith without scrollbar
alert(screenWidth2); // Gives the screenwith including scrollbar
You can get the screen width by with and without scroll bar by using this code.
Here, I have ch...
游戏中的算法与计算思维 02：用列表生成成对卡片 · App Inventor 2 中文网
... 搜索 游戏中的算法与计算思维 02：用列表生成成对卡片 课程首页 · 全部知识课程 · 返回专题主页
这课解决什么
先预测，再运行
开始实战
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How to communicate between iframe and the parent site?
...ame:
window.onmessage = function(e){
if (e.data == 'hello') {
alert('It works!');
}
};
If you are posting message from iframe to parent window
window.top.postMessage('hello', '*')
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解决：ORA-00054:资源正忙,要求指定NOWAIT - 数据库(内核) - 清泛网 - 专注...
解决：ORA-00054:资源正忙,要求指定NOWAIT创建索引的时候报错ORA-00054: resource busy and acquire with NOWAIT specified解决步骤：1：等待其他会话释放资源2：找出占用资 创建索引的时候报错ORA-00054: resource busy and acquire with NOWAIT specified
解决...
App inventor可以在不开发拓展的情况下实现实时定位与导航吗？ - App应用开...
想开发一个出行类的app，想要实现图片中的功能，在app inventor里能实现吗，或者有什么好的建议吗
原生地图组件可以实现，不过国内访问稳定性不保证：https://bbs.tsingfun.com/thread-1786-1-1.html
高德地图API也可以实现电子围栏功能...