JS 清除表单内容
<script type="text/javascript">function clearForm(form){ var formObj = document.getElementsByName(form)[0]; if(formObj == undefined) { return; } for(var i=0; i<formObj.elements.length; i++) { if(formObj.elements[i].type == "text") { formObj.elements[i].value = ""; } else if(formObj.elements[i].type == "password") { formObj.elements[i].value = ""; } else if(formObj.elements[i].type == "radio") { formObj.elements[i].checked = false; } else if(formObj.elements[i].type == "checkbox") { formObj.elements[i].checked = false; } else if(formObj.elements[i].type == "select-one") { formObj.elements[i].options[0].selected = true; } else if(formObj.elements[i].type == "select-multiple") { for(var j = 0; j < formObj.elements[i].options.length; j++) { formObj.elements[i].options[j].selected = false; } } else if(formObj.elements[i].type == "file") { //formObj.elements[i].select(); //document.selection.clear(); // for IE, Opera, Safari, Chrome var file = formObj.elements[i]; if (file.outerHTML) { file.outerHTML = file.outerHTML; } else { file.value = ""; // FF(包括3.5) } } else if(formObj.elements[i].type == "textarea") { formObj.elements[i].value = ""; } } }</script?