apt-get install git-core

<select id="auth_access" class="form-control ">
  <option value="none">禁止</option>
  <option value="read">只读</option>
  <option value="write" selected>写入</option>
</select>

window.scroll({
  top: 2500, 
  left: 0, 
  behavior: 'smooth' 
});

// Scroll certain amounts from current position 
window.scrollBy({ 
  top: 100, // could be negative value
  left: 0, 
  behavior: 'smooth' 
});