Suppose I press the Tab key, I would want that it performs another action besides the default event. I've selected a text box and I want it to add some spaces (Just wanting a textarea to act like a text editor). How to trigger this type of event?
So far, I only know how to prevent the default action:
$('#content').on('keydown', function(e) {
if(e.which == 9) {
e.preventDefault();
}});
But how do you fire another keyboard event?
There is no need to preform any action. Just change value manually: LIVE DEMO
$('#content').on('keydown', function(e) {
if(e.which == 9) {
var val = $(this).val();
val += ' ';
$(this).val(val);
e.preventDefault();
}});
Related
There is much more code, but I will only show one function here:
$(window).keydown(function(event){
if(event.keyCode == 13) {
event.preventDefault();
// how to check if a user pressed enter inside a specific
// textarea box
}
});
Actually what I want to know is, is the specific element in focus or not!
You can simply check if your textarea is focused using the jQuery :focus selector :
$(window).keydown(function(event){
if(event.keyCode == 13) {
event.preventDefault();
if($('#yourTextarea').is(':focus')){
//...
}
}
});
I have my code below. It's doing what I want. What I want to also do is run this function when a user use their keyboard to tab to the .add-row button and then presses enter. How do I make that run?
$('body').on('click', '.add-row', function(e) {
$( this ).html('Hide').removeClass('add-row').addClass('hide-row');
$( this ).parent().parent().next().show();
});
My understanding is you want the button to have focus and the user to press enter to fire the event, yeah? If so, then using the :focus pseudo class selector on the .add-row should work with the keypress event
$("body").on("keypress", ".add-row:focus", function(e) {
var ENTER_KEY_CODE = 13;
if (e.keyCode === ENTER_KEY_CODE)
{
alert("Enter key pressed");
// perform hide row and other operations here
}
});
I have the following method which works fine, it skips disabled fields and focus moves to the next active text input. My form has text fields, checkboxes and select lists. How do I add the type select to this so it navigates to type text or select?
I've tried [type=text:select] but it doesn't work
$('input').on('keydown', function (e) {
if (e.keyCode == 13) {
e.preventDefault();
$('input[type=text]:enabled:not(:read-only)')[$('input[type=text]:enabled:not(:read-only)').index(this)+1].focus();
}
});
You can use multiple selector syntax, also cache the result of the element selection to avoid duplication
$('input, select').on('keydown', function (e) {
if (e.keyCode == 13) {
e.preventDefault();
var $els = $('input:text, select').filter(':enabled:not([readonly])');
$els.eq($els.index(this) + 1).focus();
}
});
I have a button and when it have clicked I show some input field.
The input field tracks keyup events itself.
When I click the button using my keyboard (focus it then hit return) the input field receives an unexpected keyup event.
Demo: http://jsfiddle.net/LpXGM/3/ (just hit return and look at the messages on the page)
But if I add a timeout everything works as expected. Demo: http://jsfiddle.net/8BRmK/1/ (no keyup event when hitting return on the button)
Why does this strange thing happen? And how can I fix it?
The code with the handlers:
$button.on("click", function(){
showModal();
});
$emailField.on("keyup", function(event) {
// process the event
});
var showModal = function() {
$modal.show();
$emailField.focus();
}
Possible solution without timeOut: http://jsfiddle.net/agudulin/3axBA/
$button.on("keypress", function(event){
if (event.keyCode == 13) {
return false;
}
});
$button.on("keyup", function(event){
if (event.keyCode == 13) {
showModal();
$status.append($("<span>enter has been pressed</span></br>"));
}
});
Try $button.on("keyup mouseup", function(){
or $emailField.on("keypress", function(event) {
try
$(document).ready(function(){
$(document).on("click",".btn",function(e){
$status.append($("<span>btn click</span></br>"));
});
$(document).on("keyup",".email",function(e){
$status.append($("<span>keyup " + event.keyCode + "</span></br>"));
});
});
yes its happens because one you click the keyboard than the button click event fire first and than as per your logic your input field take focus and your keyup event is fire. but when you give Timeout so click event is fire first but because of timeout your logic is delayed and than your your keyup event done our work so the focus in not in your input that why it not enter any word in your input.
I have a code like this:
$('#foo').on('click', function(e) {
//do something
});
$('form input').on('change', function(e) {
//do some other things
));
First and second events do actually the same things with the same input field, but in different way. The problem is, that when I click the #foo element - form change element fires as well. I need form change to fire always when the content of input is changing, but not when #foo element is clicked.
That's the question )). How to do this?
Here is the code on jsfiddle: http://jsfiddle.net/QhXyj/1/
What happens is that onChange fires when the focus leaves the #input. In your case, this coincides with clicking on the button. Try pressing Tab, THEN clicking on the button.
To handle this particular case, one solution is to delay the call to the change event enough check if the button got clicked in the meantime. In practice 100 milisecond worked. Here's the code:
$().ready(function() {
var stopTheChangeBecauseTheButtonWasClicked = false;
$('#button').on('click', function(e) {
stopTheChangeBecauseTheButtonWasClicked = true;
$('#wtf').html("I don't need to change #input in this case");
});
$('#input').on('change', function(e) {
var self = this;
setTimeout(function doTheChange() {
if (!stopTheChangeBecauseTheButtonWasClicked) {
$(self).val($(self).val() + ' - changed!');
} else {
stopTheChangeBecauseTheButtonWasClicked = false;
}
}, 100);
});
});
And the fiddle - http://jsfiddle.net/dandv/QhXyj/11/
It's only natural that a change event on a blurred element fires before the clicked element is focused. If you don't want to use a timeout ("do something X ms after the input was changed unless in between a button was clicked", as proposed by Dan) - and timeouts are ugly - you only could go doing those actions twice. After the input is changed, save its state and do something. If then - somewhen later - the button is clicked, retrieve the saved state and do the something similar. I guess this is what you actually wanted for your UI behaviour, not all users are that fast. If one leaves the input (e.g. by pressing Tab), and then later activates the button "independently", do you really want to execute both actions?
var inputval = null, changedval = null;
$('form input').on('change', function(e) {
inputval = this.value;
// do some things with it and save them to
changedval = …
// you might use the value property of the input itself
));
$('#foo').on('click', function(e) {
// do something with inputval
});
$('form …').on('any other action') {
// you might want to invalidate the cache:
inputval = changedval;
// so that from now on a click operates with the new value
});
$(function() {
$('#button').on('click', function() {
//use text() not html() here
$('#wtf').text("I don't need to change #input in this case");
});
//fire on blur, that is when user types and presses tab
$('#input').on('blur', function() {
alert("clicked"); //this doesn't fire when you click button
$(this).val($(this).val()+' - changed!');
});
});
Here's the Fiddle
$('form input').on('change', function(e) {
// don't do the thing if the input is #foo
if ( $(this).attrib('id') == 'foo' ) return;
//do some other things
));
UPDATE
How about this:
$().ready(function() {
$('#button').on('click', function(e) {
$('#wtf').html("I don't need to change #input in this case");
});
$('#input').on('change', function(e) {
// determine id #input is in focus
if ( ! $(this).is(":focus") ) return;
$(this).val($(this).val()+' - changed!');
});
});