Using CodeMirror to highlight text in textarea - Javascript CodeMirror

Javascript examples for CodeMirror:Highlight

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Description

Using CodeMirror to highlight text in textarea

Demo Code

ResultView the demo in separate window 

<html>
   <head> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.4.0/codemirror.js"></script> 
      <link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.4.0/codemirror.css"> 
      <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.4.0/mode/htmlmixed/htmlmixed.js"></script> 
      <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.4.0/mode/css/css.js"></script> 
      <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.4.0/mode/javascript/javascript.js"></script> 
      <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.4.0/mode/xml/xml.js"></script> 
      <script type="text/javascript">
    var VanillaRunOnDomReady = function() {
var myCodeMirror = CodeMirror.fromTextArea(document.getElementById("editor"), {
    lineNumbers: true,/* w  w w . java 2s. c  o m*/
    mode: "htmlmixed"
});
var loadButton = document.getElementById("load");
loadButton.onclick = function () {
    // here you'd load your file and then call setValue
    myCodeMirror.setValue("<div>Hi There</div>\n<ul>\n\t<li>one</li>\n</ul>");
};
    }
var alreadyrunflag = 0;
if (document.addEventListener)
    document.addEventListener("DOMContentLoaded", function(){
        alreadyrunflag=1;
        VanillaRunOnDomReady();
    }, false);
else if (document.all && !window.opera) {
    document.write('<script type="text/javascript" id="contentloadtag" defer="defer" src="javascript:void(0)"><\/script>');
    var contentloadtag = document.getElementById("contentloadtag")
    contentloadtag.onreadystatechange=function(){
        if (this.readyState=="complete"){
            alreadyrunflag=1;
            VanillaRunOnDomReady();
        }
    }
}
window.onload = function(){
  setTimeout("if (!alreadyrunflag){VanillaRunOnDomReady}", 0);
}

      </script> 
   </head> 
   <body> 
      <textarea id="editor"></textarea> 
      <button id="load">Load HTML</button>  
   </body>
</html>

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