Open Select using Javascript/jQuery?
Try this: var myDropDown=$(“#myDropDown”); var length = $(‘#myDropDown> option’).length; //open dropdown myDropDown.attr(‘size’,length); and this to close: //close dropdown myDropDown.attr(‘size’,0);
jquery-events
Catching any click performed using jQuery
A click event will by default bubble up the DOM, so you can just attach a click handler to the root, like this: $(document).click(function() { //do something }); Unless a handler on an element along the way does an event.stopPropagation() or return false, you’ll get the click here.
Javascript event triggered by pressing space
These events bubble up, so if you’re trying to trigger the event wherever your focus is (ie. not in an input), just bind a handler on window: $(window).keypress(function (e) { if (e.key === ‘ ‘ || e.key === ‘Spacebar’) { // ‘ ‘ is standard, ‘Spacebar’ was used by IE9 and Firefox < 37 e.preventDefault() … Read more
Get the value of “onclick” with jQuery?
i have never done this, but it would be done like this: var script = $(‘#google’).attr(“onclick”)
Do events handlers on a DOM node get deleted with the node?
Event handler functions are subject to the same Garbage Collection that other variables are. That means they will be removed from memory when the interpreter determines that there is no possible means to obtain a reference to the function. Simply deleting a node however does not guarantee garbage collection. For instance, take this node and … Read more
jQuery preventDefault() not triggered
Update And there’s your problem – you do have to click event handlers for some a elements. In this case, the order in which you attach the handlers matters since they’ll be fired in that order. Here’s a working fiddle that shows the behaviour you want. This should be your code: $(document).ready(function(){ $(‘#tabs div.tab’).hide(); $(‘#tabs … Read more
How to detect escape key press?
Note: keyCode is becoming deprecated, use key instead. function keyPress (e) { if(e.key === “Escape”) { // write your logic here. } } Code Snippet: var msg = document.getElementById(‘state-msg’); document.body.addEventListener(‘keypress’, function(e) { if (e.key == “Escape”) { msg.textContent += ‘Escape pressed:’ } }); Press ESC key <span id=”state-msg”></span> keyCode is becoming deprecated It seems keydown … Read more
How to detect new element creation in jQuery?
You could use the DOMSubtreeModified event. For example: $(document).bind(‘DOMSubtreeModified’,function(){ console.log(“now there are ” + $(‘a’).length + ” links on this page.”); })
jQuery input button click event listener
First thing first, button() is a jQuery ui function to create a button widget which has nothing to do with jQuery core, it just styles the button. So if you want to use the widget add jQuery ui’s javascript and CSS files or alternatively remove it, like this: $(“#filter”).click(function(){ alert(‘clicked!’); }); Another thing that might … Read more
How to stop events bubbling in jQuery? [duplicate]
According to jQuery’s documentation: $(‘myclass’).bind(‘amodaldestroy’), function(event) { ….does something…. event.stopPropagation(); });