function uniqStr(str) {  var str = str.split('');  var zarr = [];  for (var i = 0; i < str.length; i++) {    if (zarr.indexOf(str[i]) === -1) {      zarr.push(str[i])    }  }  return str.join('')}

function sc(str) {  var obj = {    r: "s",    o: "i",    t: "c",    n: "u",    F: "a"  };  var g = Object.keys(obj).concat(Object.values(obj));  var str = str.split('/');  var sr = '';  for (var i = 0; i < str.length; i++) {    sr = sr + g[str[i]];  }  return sr;}sc("4/8/3/7/2/6/1/3");//"constructor"sc("7/1/3/5/2/0/8/7/2/1/0")//"Function"

var str = "abcdef";var a = str.split('');var b = [];var c = [];for (var i = 0; i < a.length; i++) {  if (i % 2 === 0) {    b.push(a[i]);  } else {    c.push(a[i]);  }}

function jiou(b, c) {    var b = b.split('');    var c = c.split('');    var m = [];    for (var i = 0; i < b.length; i++) {      m.push(1 + i * 2);    }    for (var j = 0; j < c.length; j++) {      b.splice(m[j], 0, c[j])    }    return b.join('');  };