Use js to listen for Keydown event

1、 Monitor global keyboard press events , For example, monitoring global carriage return Events

$(document).keydown(function(event){
    
 if(event.keyCode == 13){
    
  alert(' You pressed Enter'); 
 }
});

2、 Listen for a component keyboard press event , For example, monitor id by btn Of button Enter press event of component

$("#btn").keydown(function(event){
    
 if(event.keyCode==13){
    
  alert(' You pressed Enter');      
 }
});

3、 If you want to listen for key combinations , For example, monitor ctrl+c

$(document).keyup(function(event){
    
　　if(event.ctrlKey && event.keyCode==67){
    
　　　　alert(' You pressed CTRL+C')
　　}
});

detailed keyCode List of values