Question

How to find the first repeated character in a string with Node.js

Answer 1

function GetFirstRepeatedCharacter(str) {
    for (let i = 0; i < str.length; i++) {
        if (str.indexOf(str.charAt(i)) != str.lastIndexOf(str.charAt(i))) {
            return str.charAt(i);
        }
    }
    return ' ';
}
 
 
const str = "node.js c c++ csharp php java";
 
 
console.log(GetFirstRepeatedCharacter(str));
 
 
 
   
   
/*
run:
   
j
   
*/

 

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