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Difference between variable declaration syntaxes in Javascript (including global variables)?
...w with ES2015)
const a = 0; // 1.2 (new with ES2015)
a = 0; // 2
window.a = 0; // 3
this.a = 0; // 4
Those statements explained
#1 var a = 0;
This creates a global variable which is also a property of the global object, which we access as window on browsers (or via this a global sc...
How to detect the screen resolution with JavaScript?
...
original answer
Yes.
window.screen.availHeight
window.screen.availWidth
update 2017-11-10
From Tsunamis in the comments:
To get the native resolution of i.e. a mobile device you have to multiply with the device pixel ratio: window.screen.width ...
Chrome, Javascript, window.open in new tab
...it's an option controlled by Internet Explorer users.
Opening pages using Window.open with a different window name will open in a new browser window like a popup, OR open in a new tab, if the user configured the browser to do so.
EDIT:
A more detailed explanation:
1. In modern browsers, window.o...
How to close current tab in a browser window?
...
You will need Javascript to do this. Use window.close():
close();
Note: the current tab is implied. This is equivalent:
window.close();
or you can specify a different window.
So:
function close_window() {
if (confirm("Close Window?")) {
close();
}
}
...
微软VS苹果 桌面操作系统的终极一战 - 创意 - 清泛网 - 专注C/C++及内核技术
...29日这一天，微软将在全球同步推送最新的桌面操作系统Windows 10，在经历了“就那样”的Windows 8与8.1之后，Windows 10似乎又一次作为这家软件巨头的救命稻草被推上了历史的舞台。与之相对应的，苹果也将在九月份推出正式版的OS...
How do I create a new Swift project without using Storyboards?
...
You must mark the window and testNavigationController variables as optional:
var window : UIWindow?
var testNavigationController : UINavigationController?
Swift classes require non-optional properties to be initialized during the instantiatio...
Should I use window.navigate or document.location in JavaScript?
...ange the location of the current web page using JavaScript? I've seen both window.navigate and document.location used. Are there any differences in behavior? Are there differences in browser implementations?
...
Why doesn't C++ have a garbage collector?
...the paper made a good job of introducing the concepts one at a time and showing the evolution of the algorithm from the "simple" version to the full-fledged one. Recommended reading if only I could put my hands back on the PDF file...
2. Resources Acquisition Is Initialization (RAII)
It's a common...
Emacs, switch to previous window
In Emacs, C-x o takes me to the next window.
12 Answers
12
...
ie8 var w= window.open() - “Message: Invalid argument.”
... was an invalid name for the second argument, i.e., I had a line like:
window.open('/somefile.html', 'a window title', 'width=300');
The problem was 'a window title' as it is not valid. It worked fine with the following line:
window.open('/somefile.html', '', 'width=300');
In fact, readi...