html代码片段:
!--BEGIN 打赏-- p >Javascript代码片段:
/* ——聊天编辑器区域 */var $editor = $( .J__editorText ), editor = $editor[0];var $face = $( .emotion-area dd img $face.on( click , function(e){ if($(this).hasClass( face )){ //图像 var img = $(this)[0].cloneNode(true); editor.focus(); setTimeout(function(){ var range, node; if(document.selection document.selection.createRange){ document.selection.createRange().pasteHTML(img); }else if(window.getSelection window.getSelection().getRangeAt){ range = window.getSelection().getRangeAt(0); range.insertNode(img); range.collapse(false); var sel = window.getSelection(); sel.removeAllRanges(); sel.addRange(range); }, 16); }else if($(this).hasClass( del )){ //删除 editor.focus(); range = window.getSelection().getRangeAt(0); range.collapse(false); var sel = window.getSelection(); sel.removeAllRanges(); sel.addRange(range); document.execCommand( delete //...格式化编辑器包含标签editor.addEventListener( focus , function(evt) { surrounds()}, true);editor.addEventListener( input , function(evt) { surrounds();}, false);function surrounds() { setTimeout(function () { //chrome var sel = window.getSelection(); var anchorNode = sel.anchorNode; if (!anchorNode) return; if (sel.anchorNode === editor || (sel.anchorNode.nodeType === 3 sel.anchorNode.parentNode === editor)) { var range = sel.getRangeAt(0); var p = document.createElement( p range.surroundContents(p); range.selectNodeContents(p); range.insertNode(document.createElement( br )); //chrome sel.collapse(p, 0); (function clearBr() { var elems = [].slice.call(editor.children); for (var i = 0, len = elems.length; i len; i++) { var el = elems[i]; if (el.tagName.toLowerCase() == br ) { editor.removeChild(el); elems.length = 0; })(); }, 0);//...滚动到聊天内容底部function scrollToBottom(){ $( .ws__chatMsg-panel ).animate({scrollTop: $( #J__chatMsgList ).height()}, 300);}运行效果:
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