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Get value from hidden field using jQuery
...t type="hidden" value="" id='h_v' class='h_v'> Using jQuery I want to alert the user to this value .
7 Answers
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Android Notification Sound
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USE Can Codeding
String en_alert, th_alert, en_title, th_title, id;
int noti_all, noti_1, noti_2, noti_3, noti_4 = 0, Langage;
class method
Intent intent = new Intent(context, ReserveStatusActivity.class);
PendingIntent pendingIntent = PendingInte...
What is the difference between typeof and instanceof and when should one be used vs. the other?
...
A good reason to use typeof is if the variable may be undefined.
alert(typeof undefinedVariable); // alerts the string "undefined"
alert(undefinedVariable instanceof Object); // throws an exception
A good reason to use instanceof is if the variable may be null.
var myNullVar = null;
ale...
How does facebook, gmail send the real time notification?
...ty interesting.
A common method of doing such notifications is to poll a script on the server (using AJAX) on a given interval (perhaps every few seconds), to check if something has happened. However, this can be pretty network intensive, and you often make pointless requests, because nothing has ...
Handling optional parameters in javascript
... = props.id || 1;
props.callback = props.callback || function(){};
alert( props.callback )
};
getData( {
id: 3,
callback: function(){ alert('hi'); }
} );
Benefits:
you don't have to account for argument order
you don't have to do type checking
it's easier to define default valu...
Using HTML5/Canvas/JavaScript to take in-browser screenshots
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JavaScript can read the DOM and render a fairly accurate representation of that using canvas. I have been working on a script which converts HTML into a canvas image. Decided today to make an implementation of it into sending fee...
How to round up a number in Javascript?
...) / Math.pow(10, rlength);
return newnumber;
}
Call the function as
alert(roundNumber(192.168,2));
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Find JavaScript function definition in Chrome
...e thing they don't seem to have (that I could find) is a way to find a JavaScript function's definition. This would be super handy for me because I'm working on a site that includes many external JS files. Sure grep solves this but in the browser would be much better. I mean, the browser has to know...
what is difference between success and .done() method of $.ajax
...efore making the request
$.ajax({
url: '...',
success: function(){
alert('AJAX successful');
}
});
// set success action just after starting the request
var jqxhr = $.ajax( "..." )
.done(function() { alert("success"); });
This change is for compatibility with jQuery 1.5's deferred obj...
Variable name as a string in Javascript
...
var x = 2;
for(o in window){
if(window[o] === x){
alert(o);
}
}
However, I think you should do like "karim79"
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