[JS]Transform from string to ASCII

2021-9-9 萧
<head>

<title>String to ASCII</title>



</head>





Input String:

<textarea id="in"></textarea>



Output ASCII:

<textarea id="out"></textarea>



<input type="button" value="Transfor" onclick="transf();" />





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<a href="http://log.anycle.com">author:Anycle</a>



<style>

textarea{width:100%; margin:20px 0; }

input{width:200px; padding:5px; margin:auto;}

</style>



<script>



var hex = function(x){

	switch(x){

		case 10:

			y = 'A';

			break;

		case 11:

			y = 'B';

			break;

		case 12:

			y = 'C';

			break;

		case 13:

			y = 'D';

			break;

		case 14:

			y = 'E';

			break;

		case 15:

			y = 'F';

			break;	

		default:

			y = x.toString();

	}	

	return y;

}



var dec2hex = function(x){

	return hex( Math.floor(x/16) ) + hex(x%16);

}



var transf = function(){

	sin = document.getElementById("in").value;

	sout = "";

	console.log(sin.length);

	for(i=0; i<sin.length; i++){

		sout += dec2hex(sin[i].charCodeAt(0)) + " " ;

	}

	console.log(sout);

	document.getElementById("out").value = sout;

}

</script>
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