Нелёгкая задача с формой(сложно) [закрыт]

function blurBrand() { 
  var input = document.getElementById("brandInput"); 
  var span = document.getElementById("brandDisplay"); 
  span.textContent = input.value; 
  input.value = ""; 
  input.placeholder = "Brand"; 
} 
 
function focusBrand() { 
  var input = document.getElementById("brandInput"); 
  input.placeholder = ""; 
}

input { 
  border:none; 
}

<input id="brandInput" type="text" placeholder="Brand"  
  onfocus="focusBrand()" onblur="blurBrand()"/> 
<span id="brandDisplay"></span>