Tạo thanh tìm kiếm trong Bogspot

  Trong bố cục Blogspot thêm tiện ích HTML/Javascrip, sau đó dán đoạn code bên dưới vào:

<!--=====TẠO THANH TÌM KIẾM=======-->
<style type="text/css">
* {
  border: 0;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
:root {
  font-size: calc(16px + (24 - 16)*(100vw - 320px)/(1920 - 320));
}
button, input {
font: 1.2em Hind, sans-serif;  
line-height: 1.5em;
}
input {
  color: #171717;
}
.search-bar {
  display: flex;
float: right;
z-index: 3;
}

.search-bar input,
.search-btn, 
.search-btn:before, 
.search-btn:after {
  transition: all 0.25s ease-out;
z-index: 3;
}
.search-bar input,
.search-btn {
  width: 3em;
  height: 3em;
}
.search-bar input:invalid:not(:focus),
.search-btn {
  cursor: pointer;
}
.search-bar,
.search-bar input:focus,
.search-bar input:valid  {
  width: 100%;
}
.search-bar input:focus,
.search-bar input:not(:focus) + .search-btn:focus {
  outline: transparent;
}
.search-bar {
  margin: auto;
  padding: 1.5em;
  justify-content: center;
  max-width: 30em;
}
.search-bar input {
  background: transparent;
  border-radius: 1.5em;
  box-shadow: 0 0 0 0.4em #171717 inset;
  padding: 0.75em;
  transform: translate(0.5em,0.5em) scale(0.5);
  transform-origin: 100% 0;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
.search-bar input::-webkit-search-decoration {
  -webkit-appearance: none;
}
.search-bar input:focus,
.search-bar input:valid {
  background: #fff;
  border-radius: 0.375em 0 0 0.375em;
  box-shadow: 0 0 0 0.1em #d9d9d9 inset;
  transform: scale(1);
}
.search-btn {
  background: #171717;
  border-radius: 0 0.75em 0.75em 0 / 0 1.5em 1.5em 0;
  padding: 0.75em;
  position: relative;
  transform: translate(0.25em,0.25em) rotate(45deg) scale(0.25,0.125);
  transform-origin: 0 50%;
}
.search-btn:before, 
.search-btn:after {
  content: "";
  display: block;
  opacity: 0;
  position: absolute;
}
.search-btn:before {
  border-radius: 50%;
  box-shadow: 0 0 0 0.2em #f1f1f1 inset;
  top: 0.75em;
  left: 0.75em;
  width: 1.2em;
  height: 1.2em;
}
.search-btn:after {
  background: #f1f1f1;
  border-radius: 0 0.25em 0.25em 0;
  top: 51%;
  left: 51%;
  width: 0.75em;
  height: 0.25em;
  transform: translate(0.2em,0) rotate(45deg);
  transform-origin: 0 50%;
}
.search-btn span {
  display: inline-block;
  overflow: hidden;
  width: 1px;
  height: 1px;
}
/* Active state */
.search-bar input:focus + .search-btn,
.search-bar input:valid + .search-btn {
  background: #3e8e41;
  border-radius: 0 0.375em 0.375em 0;
  transform: scale(1);
}
.search-bar input:focus + .search-btn:before, 
.search-bar input:focus + .search-btn:after,
.search-bar input:valid + .search-btn:before, 
.search-bar input:valid + .search-btn:after {
  opacity: 1;
}
.search-bar input:focus + .search-btn:hover,
.search-bar input:valid + .search-btn:hover,
.search-bar input:valid:not(:focus) + .search-btn:focus {
  background: #4CAF50;

}
.search-bar input:focus + .search-btn:active,
.search-bar input:valid + .search-btn:active {
  transform: translateY(1px);
}

</style>

<!--=============-->
<form action="/search" class="search-bar">
  <input type="search" placeholder="Tìm kiếm"  name="q"  />
  <button class="search-btn" type="submit">
    <span>Search</span>
  </button>
</form>



<script type="text/javascript">
(function($) {
var $form = $('#ajax-search-form'),
$input = $form.find(':text');

// Append a search result container to the search form
$form.append('<div id="search-result"></div>');
var $result_container = $('#search-result');

// When the keyword is submitted...
$form.on("submit", function() {

// Get the input value
var keyword = $input.val();

// Show the search result container and insert a `Loading...` text
$result_container.show().html('Loading...');

// Get the blog JSON via $.ajax() to show the search result
// The URL format: http://blog_name.blogspot.com/feeds/posts/summary?alt=json-in-script&q={THE_KEYWORD}&max-results=9999
$.ajax({
url: 'https://www.vnkha.com/feeds/posts/summary?alt=json-in-script&q=' + keyword + '&max-results=9999',
type: 'get',
dataType: 'jsonp',

// If success, grab the search result list...
success: function(json) {
var entry = json.feed.entry,
link, skeleton = "";
if (entry !== undefined) {
skeleton = '<h4>Search results for keyword &quot;' + keyword + '&quot;</h4>';
skeleton += '<a class="close" href="/">&times;</a><ol>';
for (var i = 0; i < entry.length; i++) {
for (var j = 0; j < entry[i].link.length; j++) {
if (entry[i].link[j].rel == "alternate") {
link = entry[i].link[j].href;
}
}
skeleton += '<li><a href="' + link + '">' + entry[i].title.$t + '</a></li>';
}
skeleton += '</ol>';
$result_container.html(skeleton);
} else {
// If the JSON is empty ... (entry === undefined)
// Show the `not found` or `no result` message
$result_container.html('<a class="close" href="/">&times;</a><strong>No result!</strong>');
}
},
error: function() {

// If error, show an error message
$result_container.html('<a class="close" href="/">&times;</a><strong>Error loading feed.</strong>');
}
});
return false;
});

// Fade out the search result container if the close button is clicked
$form.on("click", ".close", function() {
$result_container.fadeOut();
return false;
});

})(jQuery);
</script>

Kết quả:

Hoặc chỉ muốn hiển thị nút tìm kiếm thì sửa lại vị trí đoạn code trong thẻ <form> sau:

 <form action="/search" class="search-bar">
  <input type="search" name="q" pattern=".*\S.*" required />
  <button class="search-btn" type="submit">
    <span>Search</span>
  </button>
</form>

Kết quả: 

Tham khảo các mẫu thanh tìm kiếm khác: Xem