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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...
Create, read, and erase cookies with jQuery [duplicate]
...
Use JavaScript Cookie plugin
Set a cookie
Cookies.set("example", "foo"); // Sample 1
Cookies.set("example", "foo", { expires: 7 }); // Sample 2
Cookies.set("example", "foo", { path: '/admin', expires: 7 }); // Sample 3
Get a cookie
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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.
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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
...
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)
});
share
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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');
}
...
Is it possible to animate scrollTop with jQuery?
... { scrollTop: "300px" },
{
complete : function(){
alert('this alert will popup twice');
}
}
);
Here's how you can avoid the double callback.
var completeCalled = false;
$("html, body").animate(
{ scrollTop: "300px" },
{
complete : function(){
...
How can I check if a key is pressed during the click event with jQuery?
...vent properties;
$("button").click(function(evt) {
if (evt.ctrlKey)
alert('Ctrl down');
if (evt.altKey)
alert('Alt down');
// ...
});
See quirksmode for more properties. If you want to detect other keys, see cletus's answer.
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