How do you handle oncut, oncopy, and onpaste in jQuery?
You can add and remove events of any kind by using the .on()
and off()
methods
Try this, for instance
jQuery(document).on('paste', function(e){ alert('pasting!') });
jQuery is actually quite indifferent to whether the event type you assign is supported by the browser, so you can assign arbitrary event types to elements (and general objects) such as:jQuery('p').on('foobar2000', function(e){ alert(e.type); });
In case of custom event types, you must .trigger()
them "manually" in your code, like this:jQuery('p').trigger('foobar2000');
Neat eh?Furthermore, to work with proprietary/custom DOM events in a cross-browser compatible way, you may need to use/write an "jQuery event plugin" ... example of which may be seen in jquery.event.wheel.js Brandon Aaron's Mousewheel plugin
In Jquery How to handle paste?
There is an onpaste event that works in modern day browsers:
$("#textareaid").bind("paste", function(){});
Problem with the event, it tells you that it is about to happen, but it doesn't give you what the user is pasting. JavaScript has restricted acccess to the clipboard and by default it is disabled. If the access is enabled you can read the clipboard data and than manipulate it. jQuery bind to Paste Event, how to get the content of the paste
There is an onpaste event that works in modern day browsers. You can access the pasted data using the getData
function on the clipboardData
object.
$("#textareaid").bind("paste", function(e){
// access the clipboard using the api
var pastedData = e.originalEvent.clipboardData.getData('text');
alert(pastedData);
} );
Note that bind and unbind are deprecated as of jQuery 3. The preferred call is to on.All modern day browsers support the Clipboard API.
See also: In Jquery How to handle paste?
Capture text pasted into a textarea with JQuery
You can do something like this
$("#txtcomplaint").bind('paste', function(e) {
var elem = $(this);
setTimeout(function() {
// gets the copied text after a specified time (100 milliseconds)
var text = elem.val();
}, 100);
});
How to alert after paste event in Javascript?
You could put your alert in a setTimeout
.
setTimeout(function() {alert('Pasted');}, 0);
This will delay the code until after the value has updated.Just keep in mind that this
in the setTimeout
callback will have a different value than that in the enclosing environment.
If you'll need a reference to the outer this
, which will be the element, then reference it in a variable...
var self = this;
setTimeout(function() {alert(self.value);}, 0);
Or use .bind()
(Supported in most browsers that support addEventListener
. Older Safari didn't support it.)...setTimeout(function() {alert(this.value);}.bind(this), 0);
jQuery - char counter doesn't work with paste event
textarea contents can be changed in a number of ways, instead of trying to catch them all, simply install a routine that checks the content every 0.5 second, like
$(function() {
window.charCount = 0;
setInterval(function() {
var c = $("textarea").val().length;
if(c != window.charCount) {
window.charCount = c;
$("span").html(window.charCount);
}
}, 500);
})
Is there a cross browser way to prevent cut, copy and paste on a website in plain Javascript?
of course it is not appropriate to do stuff like this, but that was not @Zubairs question, so i think voting down is not correct here, as he made his point clear.
now to the question: if jQuery can do it, native javascript can do it of course too.
you must prevent the cut, copy and paste events:
document.body.oncopy = function() { return false; }
document.body.oncut = function() { return false; }
document.body.onpaste = function() { return false; }
this prevents the right-click-context-menu, this is not needed if you use the 3 other event-handlers but just to let you know ;-)document.body.oncontextmenu = function() { return false; }
IMPORTANT: the body must be loaded (of course), document.body because IE needs it (document.oncopy will only work in chrome/firefox/safari) jQuery event detection - delete input box text with mouse, drag text to input box
I was able to get binding to work for these events cut copy paste mousedown mouseup focus blur
which should cover you on delete, drag out, drag in circumstances but you won't necessarily know that much detail just that the field has changed and which bound event caused the change, I think you'd also have to keep tabs on the current/previous value of the input field between events.
Here's the jsfiddle I was playing with
http://jsfiddle.net/9aRxb/1/
jquery inside document.ready alert for all event accurance like click,load,change,resize,scroll,etc
you can try this for all events.
function triggerAllEvents(el) { var resultArray = []; for (var key in el) { if (key.indexOf('on') === 0) { resultArray.push(key.slice(2)); } } return resultArray.join(' ');}
var element = $('#some-el');element.bind(triggerAllEvents(element[0]), function(e) { alert("hello");});
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