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Detect changed input text box
...
You can use the input Javascript event in jQuery like this:
$('#inputDatabaseName').on('input',function(e){
alert('Changed!')
});
In pure JavaScript:
document.querySelector("input").addEventListener("change",function () {
alert("Input Change...
How can I run a PHP script in the background after a form is submitted?
...ing a file to write to.)
I'm using the following line to invoke the email script:
shell_exec("/path/to/php /path/to/send_notifications.php '".$post_id."' 'alert' >> /path/to/alert_log/paging.log &");
It is important to notice the & at the end of the command (as pointed out by @netc...
jQuery text() and newlines
...has\n newlines');
obj.html(obj.html().replace(/\n/g,'<br/>'));
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<p id="example"></p>
If you prefer, you can also create a function to do this with a simple call, just like ...
Difference between freeze and seal
I just heard about the JavaScript methods freeze and seal , which can be used to make any Object immutable.
8 Answers
...
Get city name using geolocation
...l; charset=UTF-8"/>
<title>Reverse Geocoding</title>
<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">
var geocoder;
if (navigator.geolocation) {
navigator.geolocation.getC...
How does inline Javascript (in HTML) work?
...ctually closer to:
<a href="#" id="click_me">Click Me</a>
<script type="text/javascript">
document.getElementById('click_me').addEventListener("click", function(event) {
(function(event) {
alert(this);
}).call(document.getElementById('click_me'), event);
});
</s...
Error handling in getJSON calls
...you handle errors in a getJSON call? Im trying to reference a cross-domain script service using jsonp, how do you register an error method?
...
Django Forms: if not valid, show form with error message
...ike what I did below
page.html
<html>
<head>
<script>
{% if messages %}
{% for message in messages %}
alert(message);
{% endfor %}
{% endif %}
</script>
</head>
<...
Is there a string math evaluator in .NET?
...
You could add a reference to Microsoft Script Control Library (COM) and use code like this to evaluate an expression. (Also works for JScript.)
Dim sc As New MSScriptControl.ScriptControl()
sc.Language = "VBScript"
Dim expression As String = "1 + 2 * 7"
Dim resu...
How to test a confirm dialog with Cucumber?
...ests with the Selenium driver (and probably other drivers that support JavaScript), you can hack it. Just before performing the action that would bring up the confirm dialog, override the confirm method to always return true. That way the dialog will never be displayed, and your tests can continue a...