jquery - What is "+newcolor+" in CSS - 


<html> <head>   <title>the jquery example</title>   <script type = "text/javascript"       src = "http://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>    <script type = "text/javascript" language = "javascript">      $(document).ready(function() {          $(".inner").click(function () {            var newcolor = $(this).css('background-color');            $("#destination").wrap("<div class = 'newinner'                style = 'border:2px solid "+newcolor+"';></div>");         });       });   </script>    <style>      .inner{ margin:10px;padding:12px;         border:2px solid #666;       }      .newinner{ padding:20px;}   </style> </head>  <body>    <p>click on square below see result:</p>   <div class = "inner" id = "destination">this test</div>   <div class = "inner" style = "background-color:blue;">one</div>   <div class = "inner" style = "background-color:green;">two</div>   <div class = "inner" style = "background-color:red;">three</div>  </body> </html>

what's +newcolor+, copy color of clicked element, 2 +'s surrounding it?

newcolor inside + refers variable newcolor described in pic below.

newcolor-mean

the + sign use when want refer newcolor variable newcolor above it.

don't forget add single quote close previous code, add double quotes " before , after plus sign , add single quote continue previous code between +newcolor+


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