Operation function code for jquery shortcut dynamically binding keyboard events_jquery

Copy code The code is as follows:

(function($)
{
$.extend ({

key_fn:[], //Storage function corresponding to bound characters
key_code:[], //Storage character
key_bind:function(ch,callback){
var KeyCode = {a:65,b:66,c:67,d:68,e:69,f:70,g:71,h:72,i:73,j:74,k:75,l: 76,m:77,n:78,o:79,p:80,q:81,r:82,s:83,t:84,u:85,v:86,w:87,x:88, y:89,z:90};

if(KeyCode.hasOwnProperty(ch)){
$.key_fn.push(callback);
$.key_code.push(ch);
//Only the first time you need to add an event
if($.key_fn.length == 1){

$(document).keypress(function(e){
var e = event || window.event;
var k = e.keyCode || e.which;

for(var i =0 ; i < $.key_fn.length ;i ){

// - 32 compatible with lowercase
if(k-32 == KeyCode[$.key_code[i]] || k == KeyCode[$.key_code[i]] ){
log(' pressed bound key ' k);
$.key_fn[i]();
break;
}
}

});
}
}else
{
alert('Binding events can only be letters');
}
}

});
})(jQuery);

can be used as follows:

Copy the code The code is as follows:

$. key_bind('f',set_table_full_screen);
$.key_bind('r',reloadthis);

Sometimes we need to add some shortcuts to the application, and write one below every time The code can be conveniently bound to a certain keyboard and the corresponding operation function through key_bin.

Copy code The code is as follows:

$(document).keypress(function(){} )