Using PHP, JS, or HTML (or something similar) how would I capture keystokes? Such as if the user presses ctrl+f or maybe even just f, a certain function will happen.
++++++++++++++++++++++++EDIT+++++++++++++++++++ Ok, so is this correct, because I can't get it to work. And I apologize for my n00bness is this is an easy question, new to jQuery and still learning more and more about JS.
<script>
var element = document.getElementById('capture');
element.onkeypress = function(e) {
var ev = e || event;
if(ev.keyCode == 70) {
alert("hello");
}
}
</script>
<div id="capture">
Hello, Testing 123
</div>
++++++++++++++++EDIT++++++++++++++++++
Here is everything, but I can't get it to work:
<link rel="icon" href="favicon.ico" type="image/x-icon">
<style>
* {
margin: 0px
}
div {
height: 250px;
width: 630px;
overflow: hidden;
vertical-align: top;
position: relative;
background-color: #999;
}
iframe {
position: absolute;
left: -50px;
top: -130px;
}
</style>
<script>
document.getElementsByTagName('body')[0].onkeyup = function(e) {
var ev = e || event;
if(ev.keyCode == 70 && ev.ctrlKey) { //control+f
alert("hello");
}
}
</script>
<div id="capture">
Hello, Testing 123<!--<iframe src="/" scrolling="no" width="1000" height="515"frameborder="0"></iframe>-->
</div>
+++EDIT+++
Thanks to Jacob, I had thought that I had it fixed, but when I tried it in FF and IE (currently using chrome, which did work) it did not work. This script is just going to be for a personal page that only I will see, so it is not the biggest deal, but for future reference, I would just like to know why this is not working in either IE or FF.
Using PHP, JS, or HTML (or something similar) how would I capture keystokes? Such as if the user presses ctrl+f or maybe even just f, a certain function will happen.
++++++++++++++++++++++++EDIT+++++++++++++++++++ Ok, so is this correct, because I can't get it to work. And I apologize for my n00bness is this is an easy question, new to jQuery and still learning more and more about JS.
<script>
var element = document.getElementById('capture');
element.onkeypress = function(e) {
var ev = e || event;
if(ev.keyCode == 70) {
alert("hello");
}
}
</script>
<div id="capture">
Hello, Testing 123
</div>
++++++++++++++++EDIT++++++++++++++++++
Here is everything, but I can't get it to work:
<link rel="icon" href="favicon.ico" type="image/x-icon">
<style>
* {
margin: 0px
}
div {
height: 250px;
width: 630px;
overflow: hidden;
vertical-align: top;
position: relative;
background-color: #999;
}
iframe {
position: absolute;
left: -50px;
top: -130px;
}
</style>
<script>
document.getElementsByTagName('body')[0].onkeyup = function(e) {
var ev = e || event;
if(ev.keyCode == 70 && ev.ctrlKey) { //control+f
alert("hello");
}
}
</script>
<div id="capture">
Hello, Testing 123<!--<iframe src="http://www.pandora.com/" scrolling="no" width="1000" height="515"frameborder="0"></iframe>-->
</div>
+++EDIT+++
Thanks to Jacob, I had thought that I had it fixed, but when I tried it in FF and IE (currently using chrome, which did work) it did not work. This script is just going to be for a personal page that only I will see, so it is not the biggest deal, but for future reference, I would just like to know why this is not working in either IE or FF.
Share Improve this question edited Dec 26, 2010 at 19:05 Sean asked Dec 26, 2010 at 4:39 SeanSean 8,73116 gold badges44 silver badges49 bronze badges 04 Answers
Reset to default 13Sure, the only way to do this would be through JavaScript, and you'd do so like this:
window.onload = function() {
document.getElementsByTagName('body')[0].onkeyup = function(e) {
var ev = e || event;
if(ev.keyCode == 70) {//&& ev.ctrlKey) {
//do something...
}
}
};
To find out the specific key code you want, see this article: http://www.webonweboff.com/tips/js/event_key_codes.aspx
jsFiddle example
You're looking for the javascript events associated with key presses. There are some annoying browser incompatibilities here, so you'll be best off using a JS library like jQuery, where you can use the jQuery keypress() method, but you can get the data you want from the javascript onkeypress event.
You are better off capturing all keys on the window rather than capturing key strokes on a specific element like other answers referred to.
so using native javascript:
window.onload = function (){
eventHandler = function (e){
if (e.keyCode == 70 && e.ctrlKey)
{
//do stuff
//console.log(e);
}
}
window.addEventListener('keydown', eventHandler, false);
}
using JQuery:
$(document).ready(function(){
$(window).keydown(function (e) {
if (e.keyCode == 70 && e.ctrlKey)
{
//do stuff
}
});
});
Using jQuery:
You can do it using jQuery Keydown
Nice article on capturing different key events:
Working with Events in jQuery
EDIT:
JavaScript
Here are nice articles to do this in javascript with nice DEMO:
- Handling Keyboard Shortcuts in JavaScript
- Detecting keystrokes