emersonbroga
8/8/2017 - 6:42 AM

// source https://jsbin.com

// source https://jsbin.com

jsbin.untitled.js
content_copyfile_download
var placeholder = 'Awesome';
var element = document.getElementById('test');
function animate(element, speed, text, lenght, wait){

  setTimeout(function(){
    var placeholder = text.slice(0, lenght);
    
    element.placeholder = (lenght % 2 === 0) ? placeholder : placeholder + "|";

    if (text.length > lenght){
      animate(element, speed, text, lenght + 1, wait);
      return;
    }
  }, speed);
}

animate(element, 200, placeholder, 0, 10);
jsbin.untitled.css
content_copyfile_download
input {
  height: 30px;
  width: 50%;
  padding: 5px;
  font-size: 20px;
}
index.html
content_copyfile_download
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
<style id="jsbin-css">
input {
  height: 30px;
  width: 50%;
  padding: 5px;
  font-size: 20px;
}
</style>
</head>
<body>

  
  <input id="test" value"" placeholder=""/>
<script id="jsbin-javascript">
var placeholder = 'Awesome';
var element = document.getElementById('test');
function animate(element, speed, text, lenght, wait){

  setTimeout(function(){
    var placeholder = text.slice(0, lenght);
    
    element.placeholder = (lenght % 2 === 0) ? placeholder : placeholder + "|";

    if (text.length > lenght){
      animate(element, speed, text, lenght + 1, wait);
      return;
    }
  }, speed);
}

animate(element, 200, placeholder, 0, 10);
</script>


<script id="jsbin-source-css" type="text/css">input {
  height: 30px;
  width: 50%;
  padding: 5px;
  font-size: 20px;
}</script>

<script id="jsbin-source-javascript" type="text/javascript">var placeholder = 'Awesome';
var element = document.getElementById('test');
function animate(element, speed, text, lenght, wait){

  setTimeout(function(){
    var placeholder = text.slice(0, lenght);
    
    element.placeholder = (lenght % 2 === 0) ? placeholder : placeholder + "|";

    if (text.length > lenght){
      animate(element, speed, text, lenght + 1, wait);
      return;
    }
  }, speed);
}

animate(element, 200, placeholder, 0, 10);




</script></body>
</html>