function insertHtmlAtCaret(html) { var sel, range; if (window.getSelection) { // IE9 and non-IE sel = window.getSelection(); if (sel.getRangeAt && sel.rangeCount) { range = sel.getRangeAt(0); range.deleteContents();
// Range.createContextualFragment() would be useful here but is // non-standard and not supported in all browsers (IE9, for one) var el = document.createElement(“div”); el.innerHTML = html; var frag = document.createDocumentFragment(), node, lastNode; while ( (node = el.firstChild) ) { lastNode = frag.appendChild(node); } range.insertNode(frag);
// Preserve the selection if (lastNode) { range = range.cloneRange(); range.setStartAfter(lastNode); range.collapse(true); sel.removeAllRanges(); sel.addRange(range); } } } else if (document.selection && document.selection.type != “Control”) { // IE < 9 document.selection.createRange().pasteHTML(html); } }