Check if same key pressed twice in 1second



var twice = 0;
var previous_key=null;
$(document).on('keyup', function( e ){
    if(twice===1){
     if(e.which==previous_key)
      console.log(previous_key+'(you pressed twice!)'+e.which);
     else{
     	console.log(previous_key+'-----'+e.which);
    	twice = 0; 
     }
     
    }else{
    	previous_key=e.which;
    }
      
    twice = 1;
    setTimeout(function(){ // ...reset to 0 after 1s
      twice = 0; 
    }, 1000);
      
  
    
});
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I am Senior Software Engineer. I love reading, writing, sharing,developing, hiking, movies, trips, mountains, brooks, hills etc.

Posted in Javascript

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