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How to extract base URL from a string in JavaScript?
...one";
//add it
document.body.appendChild(a);
//read the links "features"
alert(a.protocol);
alert(a.hostname)
alert(a.pathname)
alert(a.port);
alert(a.hash);
//remove it
document.body.removeChild(a);
You can easily do it with jQuery appending the element and reading its attr.
Update: There is no...
Select all elements with “data-” attribute without using jQuery
Using only JavaScript, what is the most efficient way to select all DOM elements that have a certain data- attribute (let's say data-foo ). The elements may be different tag elements.
...
How to get visitor's location (i.e. country) using geolocation? [duplicate]
...rvice will know. or you write service yourself, but that's out of pure javascript scope.
– tishma
Nov 7 '14 at 22:56
1
...
How to inherit from a class in javascript?
...
In JavaScript you don't have classes but you can get inheritance and behavior reuse in many ways:
Pseudo-classical inheritance (through prototyping):
function Super () {
this.member1 = 'superMember1';
}
Super.prototype.member2 =...
XML parsing of a variable string in JavaScript
...want.
Example usage:
var xml = parseXml("<foo>Stuff</foo>");
alert(xml.documentElement.nodeName);
If you're using jQuery, from version 1.5 you can use its built-in parseXML() method, which is functionally identical to the function above.
var xml = $.parseXML("<foo>Stuff</fo...
Programmatically Request Access to Contacts
...k];
} else {
// User denied access
// Display an alert telling user the contact could not be added
}
});
}
else if (ABAddressBookGetAuthorizationStatus() == kABAuthorizationStatusAuthorized) {
// The user has previously given access, add the contact
[s...
rails i18n - translating text with links inside
...f Rails.env.test?
nil
end
end
In the controller:
flash.now[:alert] = t("path.to.translation")
flash.now[:alert_link] = here_comes_the_link_path # or _url
In the locale.yml:
path:
to:
translation: "string with __link__ in the middle"
In the view:
<%= render_flash_message...
Get index of element as child relative to parent
...rd li").click(function () {
var index = $("ul#wizard li").index(this);
alert("index is: " + index)
});
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How can I sanitize user input with PHP?
...re is a built-in FILTER_VALIDATE_EMAIL type
My own filter class (uses JavaScript to highlight faulty fields) can be initiated by either an ajax request or normal form post. (see the example below)
/**
* Pork.FormValidator
* Validates arrays or properties by setting up simple arrays.
* ...
How do I count a JavaScript object's attributes? [duplicate]
... (var k in foo) {
if (foo.hasOwnProperty(k)) {
++count;
}
}
alert("Found " + count + " properties specific to foo");
The second line shows how other code can add properties to all Object derivatives. If you remove the hasOwnProperty() check inside the loop, the property count will g...