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jQuery operates input box to count word count

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Release： 2018-04-19 15:59:22
Original
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This time I will bring you jQueryOperation input box to count the number of words, jQuery operation input box to count the number of wordsWhat are the precautions, the following is a practical case, let's come together take a look. 

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title></title>
  <script src="jquery-1.7.2.min.js"></script>
</head>
<body>
<p class="container">
  <input id="abc"value=""><span id="WordCountShow"></span>
</p>
<script>
  $.fn.extend({
    wordCount:function(maxLength, wordWrapper) {
      varself =this;
      $(self).attr("maxlength", maxLength);
      showWordCount();
      $(this).on("input propertychange", showWordCount);
      functionshowWordCount() {
        curLength = $(self).val().length;
        varleaveCount = maxLength - curLength;
        wordWrapper.text(leaveCount +"/"+ maxLength);
      }
    }
  })
  $(function() {
    $("#abc").wordCount(10, $("#wordCountShow"));
  })
</script>
</body>
</html>
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