Function position

static/editor.md/lib/codemirror/addon/lint/lint.js:21–25

(e)

    document.body.appendChild(tt);

    function position(e) {
      if (!tt.parentNode) return CodeMirror.off(document, "mousemove", position);
      tt.style.top = Math.max(0, e.clientY - tt.offsetHeight - 5) + "px";
      tt.style.left = (e.clientX + 5) + "px";
    }
    CodeMirror.on(document, "mousemove", position);
    position(e);
    if (tt.style.opacity != null) tt.style.opacity = 1;