I am working on an application that includes a textbox and a button. I need the application to indicate whether the Caps Lock key is activated or deactivated when a user types text in the textbox and clicks the button.
I am working on an application that includes a textbox and a button. I need the application to indicate whether the Caps Lock key is activated or deactivated when a user types text in the textbox and clicks the button.
Check out this interesting query from the past: How can JavaScript be used to determine if caps lock is activated? It contains useful scripts and answers that may benefit you.
When using jQuery,
$('#example').keypress(function(e) {
var s = String.fromCharCode( e.which );
if ( s.toUpperCase() === s && s.toLowerCase() !== s && !e.shiftKey ) {
alert('caps is on');
}
});
To prevent errors, such as with the backspace key, it is important to include s.toLowerCase() !== s in the code.
Have you tested this code?
function isCapslock(e){
e = (e) ? e : window.event;
var charCode = false;
if (e.which) {
charCode = e.which;
} else if (e.keyCode) {
charCode = e.keyCode;
}
var shifton = false;
if (e.shiftKey) {
shifton = e.shiftKey;
} else if (e.modifiers) {
shifton = !!(e.modifiers & 4);
}
if (charCode >= 97 && charCode <= 122 && shifton) {
return true;
}
if (charCode >= 65 && charCode <= 90 && !shifton) {
return true;
}
return false;
}
A useful jQuery plugin you could implement is the capslockstate.
After clicking a button, simply utilize the code
$(window).capslockstate("state");Keep in mind that the Caps Lock key's status may differ between typing and pressing the button.
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