Q1227 How can I encode a character string into its hexadecimal ASCII representation?

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Try:

<script language="JavaScript"><!--
var text1 = 'a?bc4*';
var text2='';

for (i=0;i<text1.length;i++)
    text2 += text1.charCodeAt(i).toString(16);

alert(text2);
//--></script>