var widgets = [];
var waiting;
function updateHints() {
editor.operation(function(){
var defaultRules = {
"tagname-lowercase": true,
"attr-lowercase": true,
"attr-value-double-quotes": true,
"doctype-first": false,
"tag-pair": true,
"spec-char-escape": true,
"id-unique": true,
"src-not-empty": true,
"attr-no-duplication": true
};
for (var i = 0; i < widgets.length; ++i){
editor.removeLineWidget(widgets[i]);
}
widgets.length = 0;
//***** HERE *****
// var result = HTMLHint.verify(editor.getValue(), options && options.rules || defaultRules);
var messages = HTMLHint.verify(editor.getValue(), options && options.rules || defaultRules);
//***** HERE *****
for (i = 0; i < messages.length; ++i) {
//***** HERE *****
var err = messages[i];
if (!err) continue;
var msg = document.createElement("div");
var icon = msg.appendChild(document.createElement("span"));
icon.innerHTML = "!!";
icon.className = "lint-error-icon";
//***** HERE *****
msg.appendChild(document.createTextNode(err.message));
msg.className = "lint-error";
widgets.push(editor.addLineWidget(err.line - 1, msg, {coverGutter: false, noHScroll: true}));
}
});// end of editor.operation
}// end of updateHints
editor = CodeMirror(document.getElementById("code"), {
lineNumbers: true,
mode: "text/html",
lint: true,
gutters: ["CodeMirror-lint-markers"],
//***** HERE *****
//lint: true,
value: "<span class='hello'>\n hello world\n</span>"
});
editor.on("change", function() {
clearTimeout(waiting);
waiting = setTimeout(updateHints, 500);
});
setTimeout(updateHints, 100);
@import url("http://necolas.github.io/normalize.css/3.0.1/normalize.css");
@import url("http://codemirror.net/lib/codemirror.css");
@import url("http://codemirror.net/addon/fold/foldgutter.css");
@import url("https://codemirror.net/addon/lint/lint.css");
.CodeMirror {
float: left;
width: 100%;
}
.lint-error {
font-family: arial;
font-size: 70%;
background: #ffa;
color: #a00;
padding: 2px 5px 3px;
}
.lint-error-icon {
color: white;
background-color: red;
font-weight: bold;
border-radius: 50%;
padding: 0 3px;
margin-right: 7px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="http://codemirror.net/lib/codemirror.js"></script>
<script src="http://codemirror.net/javascripts/code-completion.js"></script>
<script src="http://codemirror.net/javascripts/css-completion.js"></script>
<script src="http://codemirror.net/javascripts/html-completion.js"></script>
<script src="http://codemirror.net/mode/javascript/javascript.js"></script>
<script src="http://codemirror.net/mode/xml/xml.js"></script>
<script src="http://codemirror.net/mode/css/css.js"></script>
<script src="http://codemirror.net/mode/htmlmixed/htmlmixed.js"></script>
<script src="http://codemirror.net/addon/edit/closetag.js"></script>
<script src="http://codemirror.net/addon/edit/matchbrackets.js"></script>
<script src="http://codemirror.net/addon/selection/active-line.js"></script>
<script src="http://codemirror.net/keymap/extra.js"></script>
<script src="http://codemirror.net/addon/fold/foldcode.js"></script>
<script src="http://codemirror.net/addon/fold/foldgutter.js"></script>
<script src="http://codemirror.net/addon/fold/brace-fold.js"></script>
<script src="http://codemirror.net/addon/fold/xml-fold.js"></script>
<script src="http://codemirror.net/addon/fold/comment-fold.js"></script>
<script src="https://codemirror.net/addon/lint/lint.js"></script>
<script src="https://rawgithub.com/stubbornella/csslint/master/release/csslint.js"></script>
<script src="http://htmlhint.com/js/htmlhint.js"></script>
<script src="https://codemirror.net/addon/lint/css-lint.js"></script>
<script src="https://codemirror.net/addon/lint/html-lint.js"></script>
<div id="code"></div>