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String.prototype.fromCharCode() Method in String Class of Javascript Syntax with Examples
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Usage 
fromCharCode(unicode values) returns the character according to the related unicode values.
Syntax 
String.fromCharCode(unicode1,unicode2,unicodeN);

unicodes- for example F-70  I-73  N-78  E-69  f-102  i-105  n-110  e-101
For all character unicode get vary.
Example
//Returns chartacter for related unicode
var char1 = String.fromCharCode(78);
document.write("character is "+char1+" for related unicode.");

//Returns chartacter for related number of unicodes
var char2 =  String.fromCharCode(70,73,78,69);
document.write("string is "+char2+" for related number of unicodes.");
Output 
character is N for related unicode.
string is FINE for related number of unicodes.
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