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What are bitwise operators?
....html or something and test:
<html>
<body>
<script>
alert("\"Cat\" && \"Dog\" = " + ("Cat" && "Dog") + "\n"
+ "2 && 4 = " + (2 && 4) + "\n"
+ "2 & 4 = " + (2 & 4));
</script>
...
Determining whether jQuery has not found any element
...e { /* code if not found */ }
You're getting an object returned from that alert because jQuery (almost) always returns the "jQuery object" when you use it, which is a wrapper for the elements jQuery's found that permits method chaining.
...
How to check in Javascript if one element is contained within another
... document.getElementsByTagName('a'); if (parent.contains(allElements[i]) { alert('Link is inside meni'); }
– baron_bartek
Jul 9 '19 at 7:57
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...
Mark error in form using Bootstrap
... a bit more complicated, so the easy way would be to just put an bootstrap alert at the top with details of what the user did wrong.
http://twitter.github.com/bootstrap/components.html#alerts
share
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...
Simple (non-secure) hash function for JavaScript? [duplicate]
...eliable function to create string hash by Sergey.Shuchkin [t] gmail.com
// alert( strhash('http://www.w3schools.com/js/default.asp') ); // 6mn6tf7st333r2q4o134o58888888888
function strhash( str ) {
if (str.length % 32 > 0) str += Array(33 - str.length % 32).join("z");
var hash = '', bytes...
How can I safely create a nested directory?
... path separator. If you use os.mkdir() these bugs will raise an exception, alerting you to their existence.
– drevicko
Jul 6 '13 at 6:41
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s...
JavaScript/regex: Remove text between parentheses
...
var str = "Hello, this is Mike (example)";
alert(str.replace(/\s*\(.*?\)\s*/g, ''));
That'll also replace excess whitespace before and after the parentheses.
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How do I declare a namespace in JavaScript?
... have
var your_namespace = your_namespace || {};
your_namespace.Foo = {toAlert:'test'};
your_namespace.Bar = function(arg)
{
alert(arg);
};
with(your_namespace)
{
Bar(Foo.toAlert);
}
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...
JavaScript click event listener on class
...unction() {
var attribute = this.getAttribute("data-myattribute");
alert(attribute);
};
for (var i = 0; i < elements.length; i++) {
elements[i].addEventListener('click', myFunction, false);
}
jQuery does the looping part for you, which you need to do in plain JavaScript.
If you ha...
Turning live() into on() in jQuery
...cument.body).on('change', 'select[name^="income_type_"]', function() {
alert($(this).val());
});
Although it is better if you bind the event handler as close as possible to the elements, that is, to an element being closer in the hierarchy.
Update: While answering another question, I found ou...