Script AJ-Sys

Remove duplicates

let nums =[1,2,2,3] // [1,2,3]

console.log([..new Set(nums)]);

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console.log(5<6<7);// true

console.log(7<6<5);// flase

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A - Function countAlphabets(String)
<script> 
function getFrequency(str) {
  return str.split('').reduce( (prev, curr) => {
    prev[curr] = prev[curr] ? prev[curr] + 1 : 1;
    return prev;
  }, {});
};
console.log(getFrequency('malayalam'));
</script>

<script> 
function getFrequency(str) {
  return str.split('').reduce((total, letter) => {
    total[letter] ? total[letter]++ : total[letter] = 1;
    return total;
  }, {});
};
console.log(getFrequency('aabbccdd'));
</script>
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var x = prompt("enter number", "7");
var i = 0;
var binaryvar = " ";

function add(n) {
    if (n == 0) {
        binaryvar = "0" + binaryvar;
    }
    else {
        binaryvar = "1" + binaryvar;
    }
}

function binary() {
    while (i < 1) {
        if (x == 1) {
            add(1);
            document.write(binaryvar);
            break;
        }
        else {
            if (x % 2 == 0) {
                x = x / 2;
                add(0);
            }
            else {
                x = (x - 1) / 2;
                add(1);
            }
        }
    }
}

binary();
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