Ctrl+(Shift)+Enter [Javascript/jQuery] Demo/Example

var Ctrl = false;
var Shift = false;

//Ctrl+Enter

$("#text1").keyup(function(e){

if(e.keyCode==17){Ctrl = false}

}).keydown(function(e){

var t = $(this).val();
if(e.keyCode==17) {Ctrl = true;}
if(e.keyCode==13&&Ctrl==true&&t){

$("#t1").append(t+"<br>");
$(this).val("");

}

});

//Ctrl+Shift+Enter

$("#text2").keyup(function(e){

if(e.keyCode==17){Ctrl = false}
if(e.keyCode==16){Shift = false}

}).keydown(function(e){

var t = $(this).val();
if(e.keyCode==17) {Ctrl = true;}
if(e.keyCode==16) {Shift = true}
if(e.keyCode==13&&Ctrl==true&&Shift==true&&t){

$("#t2").append(t+"<br>");
$(this).val("");

}

});

</script>

<style>
.box {

border: 1px #32baed solid;
color: #12495d;
resize: none;
width: 600px;

}
.list {

overflow: auto;
height: 100px;
width: 600px;

}
</style>

</head>
<body>

<textarea class="box" id="text1">Ctrl+Enter</textarea>

<textarea class="box" id="text2">Ctrl+Shift+Enter</textarea>