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jQuery - Detect value change on hidden input field
...you are are trying to catch a "change" event that as being changed via javascript, otherwise the changes made by javascript cannot be caught by the .change(handler) or .on("change", handler)
– JJK
Sep 9 '16 at 21:06
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How do you rename a MongoDB database?
... renamed to db2 to achieve rename Database name.
you can do it in this Js script
var source = "source";
var dest = "dest";
var colls = db.getSiblingDB(source).getCollectionNames();
for (var i = 0; i < colls.length; i++) {
var from = source + "." + colls[i];
var to = dest + "." + colls[i];
db....
Understanding the difference between Object.create() and new SomeFunction()
I recently stumbled upon the Object.create() method in JavaScript, and am trying to deduce how it is different from creating a new instance of an object with new SomeFunction() , and when you would want to use one over the other.
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Check if element is visible in DOM
...e display style property. Just make sure that the element isn't fixed. A script to check this, if you have no position: fixed; elements on your page, might look like:
// Where el is the DOM element you'd like to test for visibility
function isHidden(el) {
return (el.offsetParent === null)
}
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How to calculate date difference in JavaScript?
...kizebear—tested in IE, Firefox and Safari, works fine. It uses basic ECMAScript that I'd expect to work in any browser, what doesn't work for you?
– RobG
May 17 '13 at 5:27
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Why is using “for…in” for array iteration a bad idea?
I've been told not to use for...in with arrays in JavaScript. Why not?
27 Answers
27...
Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?
...r, are purely symbols; they are not associated with any alphabet.
The ECMAScript standard, chapter 7.6 (which all the browsers except Internet Explorer are following), states that an identifier must start with one of the following.
a Unicode letter
$ or _
\ followed by a unicode escape sequence.
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Detect permission of camera in iOS
... the requestAccess method will not work. You will have to manually show an alert to ask the user to go to settings and grant permissions.
– Abdullah Umer
Apr 7 '19 at 14:15
ad...
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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Set initial focus in an Android application
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I was able to gain focus on an AlertDialog and enabling focusableintouchmode helped me get it right. Essentially, here's how: alert.show(); alert.getButton(AlertDialog.BUTTON_POSITIVE).setFocusableInTouchMode(true);alert.getButton(AlertDialog.BUTTON_NEGATI...