const capitalize=(str)=>{
  let array=str.split('')
  let arr=[]
  for (let i = 0; i < array.length; i++) {
    if (i==0) {
      arr.push(array[i])
    }else {
      let strin= array[i].charCodeAt()
      arr.push(String.fromCharCode(strin+32))
    }
  }
  return arr.join(',').replace(/,/g, '')
}