first non repeated character

by John Kiran

HTML

<p>
Gives First non repeated character
</p>
Enter the string
<input id="ipt" type="text">
<button id="btn">
Check
</button>
<p id='result'>

</p>

JavaScript

let para=document.getElementById("result");
let ipt=document.getElementById("ipt");
let btn=document.getElementById("btn");
btn.addEventListener("click",getNonRepeated);
function getNonRepeated() {
	let str=ipt.value;
  let ltr="This has repeated characters";
  for(let i=0;i<str.length;i++) {
  	let c=str.charAt(i);
  	if(str.indexOf(c)==i && str.indexOf(c,i+1)==-1) {
     	ltr=c;
      break;
    }
  }
  para.innerHTML=ltr;
}