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Check if string contains only digits
... @dewwwald: Some languages implement it differently, but in JavaScript, \d is exactly equivalent to [0-9].
– Ry-♦
Jul 3 '17 at 7:53
...
Can multiple different HTML elements have the same ID if they're different elements?
... not be met and any feature relying on those expectations will fail.
Some javascript libraries do have expectations that are not met when multiple elements have the same ID (see wootscootinboogie's comment about d3.js)
Conclusion
It's best to stick to the standards, but if you know your code work...
Why does Typescript use the keyword “export” to make classes and interfaces public?
...marking a class member as public or private has no effect on the generated JavaScript. It is simply a design / compile time tool that you can use to stop your TypeScript code accessing things it shouldn't.
With the export keyword, the JavaScript adds a line to add the exported item to the module. I...
json_encode() escaping forward slashes
...
So will javascript automatically remove the backslashes when it pulls in the json, or this something I need to specify?
– Michael C.
Apr 18 '12 at 13:30
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NoSql Crash Course/Tutorial [closed]
...iring system. You use this all the time already I assume. For instance. in javascript you can create an object named foo and then do foo['myobj'] = myobj; to store stuff in the object.
All NoSQL servers really do is give you a way to add/delete/query massive arrays and still allow for persistence a...
Chrome: console.log, console.debug are not working
...
also with newer versions: if javascript is disabled, console just goes blank after enter. won't tell you what the problem is. enabling javascript on that site does enable the console again.
– hakre
Aug 23 '14 at 9:4...
Adding additional data to select options using jQuery
...="3" data-foo="gerbils">other</option>
</select>
Code
// JavaScript using jQuery
$(function(){
$('select').change(function(){
var selected = $(this).find('option:selected');
var extra = selected.data('foo');
...
});
});
// Plain old JavaScript
var sel...
Aren't promises just callbacks?
I've been developing JavaScript for a few years and I don't understand the fuss about promises at all.
10 Answers
...
JSON.stringify output to div in pretty print way
...sclosure I am the author of this package but another way to output JSON or JavaScript objects in a readable way complete with being able skip parts, collapse them, etc. is nodedump, https://github.com/ragamufin/nodedump
shar...
Is HTML5 localStorage asynchronous?
...ion has already been answered. For anyone who comes to this in the future, javascript is synchronous by nature. Things are only async we they are specified to do so. Because of this, you can assume all things are synchronous unless they are specified to be async. This is with javascript, not framewo...