获取浏览器选中区域内容的js

getSelectionHTML : function() { var userSelection; if (window.getSelection) { // W3C Ranges userSelection = window.getSelection(); // Get the range: if (userSelection.getRangeAt) var range = userSelection.getRangeAt(0); else { var range = document.createRange(); range.setStart(userSelection.anchorNode, userSelection.anchorOffset); range .setEnd(userSelection.focusNode, userSelection.focusOffset); } // And the HTML: var clonedSelection = range.cloneContents(); var div = document.createElement('div'); div.appendChild(clonedSelection); return div.innerHTML; } else if (document.selection) { // Explorer selection, return the HTML userSelection = document.selection.createRange(); return userSelection.htmlText; } else { return ''; } }

转自：http://snipplr.com/view/10912/get-html-of-selection/