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Auto detect mobile browser (via user-agent?) [closed]
... scripts on Detect Mobile Browser that do this in Apache, ASP, ColdFusion, JavaScript and PHP.
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What is the 'new' keyword in JavaScript?
The new keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language.
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Parse date without timezone javascript
I want to parse date without timezone in JavaScript. I have tried:
12 Answers
12
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How do I get the difference between two Dates in JavaScript?
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In JavaScript, dates can be transformed to the number of milliseconds since the epoc by calling the getTime() method or just using the date in a numeric expression.
So to get the difference, just subtract the two dates.
To cre...
Render HTML to an image
...ion is quite fast most of the time
Cons
Bad rendering
Does not execute javascript
No support for recent web features (FlexBox, Advanced Selectors, Webfonts, Box Sizing, Media Queries, ...)
Sometimes not so easy to install
Complicated to scale
Option 2: Use PhantomJs and maybe a wrapper library...
Detecting arrow key presses in JavaScript
...he event there. Realistically you shouldn't be modifying UI behavior with Javascript, however.
– Mark Kahn
Jan 5 '17 at 19:52
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Constructors in JavaScript objects
Can JavaScript classes/objects have constructors? How are they created?
19 Answers
19
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How to detect the screen resolution with JavaScript?
...which will have a ratio of 1.
And from Ben in another answer:
In vanilla JavaScript, this will give you the AVAILABLE width/height:
window.screen.availHeight
window.screen.availWidth
For the absolute width/height, use:
window.screen.height
window.screen.width
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Get value of a string after last slash in JavaScript
...ost efficient (although one always has to be careful saying anything about JavaScript and performance, since the engines vary so radically from each other), but unless you're doing this thousands of times in a loop, it doesn't matter and I'd strive for clarity of code.
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How to delete/unset the properties of a javascript object? [duplicate]
...your 3rd example is not correct. see [developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Peihui
Apr 4 '15 at 17:32
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