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Warn user before leaving web page with unsaved changes
...vant keypresses like the Ctrl key.
Won't trigger on values set through JavaScript code.
Won't trigger on cutting or pasting text through context menus.
Won't work for virtual inputs like datepickers or checkbox/radiobutton beautifiers which save their value in a hidden input through JavaScript.
Th...
Python: Making a beep noise
...option will work, according to askubuntu.com/questions/19906/beep-in-shell-script-not-working
– John Haberstroh
Apr 17 '17 at 3:07
6
...
Get the closest number out of an array
... = 112
print closest (number, array)
And, if you really need it in Javascript, see below for a complete HTML file which demonstrates the function in action:
<html>
<head></head>
<body>
<script language="javascript">
function closest (num...
Reading file contents on the client-side in javascript in various browsers
I'm attempting to provide a script-only solution for reading the contents of a file on a client machine through a browser.
...
TypeScript: casting HTMLElement
Does anyone know how to cast in TypeScript?
13 Answers
13
...
jquery's append not working with svg element?
...ed standard.) This means you'd have to escape the < symbols inside your script block (or enclose in a CDATA section), and include the XHTML xmlns declaration. example:
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"><head>
</head><body>
<svg id="s"...
How to open a local disk file with JavaScript?
...tack Overflow (6/6/2018 - https://stackoverflow.com/questions/13405129/javascript-create-and-save-file )
var eventMouse = document.createEvent("MouseEvents")
eventMouse.initMouseEvent("click", true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null)
elem.dispatchEvent(eventMous...
How to get the sizes of the tables of a MySQL database?
...th) DESC;" | head
For Drupal/drush solution, check the following example script which will display the biggest tables in use:
#!/bin/sh
DB_NAME=$(drush status --fields=db-name --field-labels=0 | tr -d '\r\n ')
drush sqlq "SELECT table_name AS 'Tables', round(((data_length + index_length) / 1024 /...
Why would a JavaScript variable start with a dollar sign? [duplicate]
I quite often see JavaScript with variables that start with a dollar sign. When/why would you choose to prefix a variable in this way?
...
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?
... I've played with but found a little clunky was to do the following in Javascript:
setTimeout(function() {
window.location = "http://itunes.com/apps/yourappname";
}, 25);
// If "custom-uri://" is registered the app will launch immediately and your
// timer won't fire. If it's not set, you'll get...