unicode.js

来自「这是《JavaScript学习源代码》一书的源代码」· JavaScript 代码 · 共 19 行

// create and initialize three strings
var str = "Code Fun", enc = "", unc = "";

// get the str Unicode numbers, comma delimited
for( var i = 0; i < str.length; i++ ) 
{                 
  enc += str.charCodeAt( i ) + ",";                         
}

// split the list of numbers into array elements
var ss = enc.split( "," );

// convert the Unicode values back to characters
for( i = 0; i < ss.length; i++ ) 
{                          
  unc += String.fromCharCode( ss[i] );                    
}

alert( "Encoded : " +enc+ "\nUnencoded : " +unc );