function moveEnd(obj){ obj.focus(); var len = obj.value.length; if (document.selection) {//IE var sel = obj.createTextRange(); sel.moveStart('character',len); sel.collapse(); sel.select(); } else if (typeof obj.selectionStart == 'number' && typeof obj.selectionEnd == 'number') {//非IE obj.selectionStart = obj.selectionEnd = len; } }