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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 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...
Check whether an input string contains a number in javascript
... implementing
var val = $('yourinputelement').val();
if(isNumeric(val)) { alert('number'); }
else { alert('not number'); }
Update: To check if a string has numbers in them, you can use regular expressions to do that
var matches = val.match(/\d+/g);
if (matches != null) {
alert('number');
}
...