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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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JavaScript isset() equivalent
In PHP you can do if(isset($array['foo'])) { ... } . In JavaScript you often use if(array.foo) { ... } to do the same, but this is not exactly the same statement. The condition will also evaluate to false if array.foo does exists but is false or 0 (and probably other values as well).
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How to execute a function when page has fully loaded?
I need to execute some JavaScript code when the page has fully loaded. This includes things like images.
13 Answers
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How to turn a String into a JavaScript function call? [duplicate]
...tings.functionName does. window[window.settings.functionName] does now. In javascript, object members can be access with a string the same way you do with an array. Assuming your function is declared in the global scope, it become a function in the window object. You can call it using a string.
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How to perform case-insensitive sorting in JavaScript?
I have an array of strings I need to sort in JavaScript, but in a case-insensitive way. How to perform this?
15 Answers
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