dont use arrays or array methods
input: string
output: boolean
Input: "yes"
output: true
input: "food"
output: false
const isStringUnique = (inputtedString) => {
for(var i=0;i<inputtedString.length;i++) {
if(input[i] != " ") {
for(var j=i+1;j<inputtedString.length;j++) {
if (input[i] === input[j]) {
return false;
}
}
}
}
return true;
}
const input = "food";
isStringUnique(input);