我必须打印panelGrid内容，但是p:printer不会加载JavaScript代码。
javascript在我的页面中有效，但是例如，当我打印div内容时，单击“打印”按钮后不加载javascript ...在此步骤中：print
如何在打印机中加载javascript代码？
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<ui:composition xmlns="http://www.w3.org/1999/xhtml"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:p="http://primefaces.org/ui"
xmlns:c="http://java.sun.com/jsp/jstl/core"
template="/RESOURCES/template/layoutPrincipal.xhtml">
<ui:define name="head">
<link rel="stylesheet"
href="${facesContext.externalContext.requestContextPath}/RESOURCES/css/paginaPrincipal.css"
type="text/css" />
<link rel="stylesheet"
href="${facesContext.externalContext.requestContextPath}/RESOURCES/css/bootstrap.min.css"
type="text/css" />
<script type="text/javascript"
src="${facesContext.externalContext.requestContextPath}/RESOURCES/js/bootstrap.min.js"></script>
<script type="text/javascript"
src="${facesContext.externalContext.requestContextPath}/RESOURCES/js/jquery.min.js"></script>
<script type="text/javascript"
src="${facesContext.externalContext.requestContextPath}/RESOURCES/js/jspdf.js"></script>
<script src="https://cdn.plot.ly/plotly-latest.min.js"></script>
<style>
@media print{
* {
box-sizing: border-box;
}
.img-zoom-container {
position: relative;
}
.img-zoom-lens {
position: absolute;
border: 1px solid #d4d4d4;
/*set the size of the lens:*/
width: 200px;
height: 180px;
margin-left: 16%;
margin-top: 4%;
}
.img-zoom-result {
margin: auto;
border: 1px solid #d4d4d4;
/*set the size of the result div:*/
width: 300px;
height: 350px;
}
}
</style>
<script>
function imageZoom(imgID, resultID) {
var img, lens, result, cx, cy;
img = document.getElementById(imgID);
result = document.getElementById(resultID);
lens = document.createElement("DIV");
lens.setAttribute("class", "img-zoom-lens");
img.parentElement.insertBefore(lens, img);
cx = result.offsetWidth / lens.offsetWidth;
cy = result.offsetHeight / lens.offsetHeight;
/*coloca as propriedades da DIV de resultado*/
result.style.backgroundImage = "url('" + img.src + "')";
result.style.backgroundSize = (img.width * cx) + "px " + (img.height * cy) + "px";
lens.addEventListener("click", moveLens);
img.addEventListener("click", moveLens);
/*para dispositivos touch*/
lens.addEventListener("touchmove", moveLens);
img.addEventListener("touchmove", moveLens);
function moveLens(e) {
var pos, x, y;
e.preventDefault();
pos = getCursorPos(e);
x = pos.x - (lens.offsetWidth / 2);
y = pos.y - (lens.offsetHeight / 2);
if (x > img.width - lens.offsetWidth) {x = img.width - lens.offsetWidth;}
if (x < 0) {x = 0;}
if (y > img.height - lens.offsetHeight) {y = img.height - lens.offsetHeight;}
if (y < 0) {y = 0;}
lens.style.left = x + "px";
lens.style.top = y + "px";
result.style.backgroundPosition = "-" + (x * cx) + "px -" + (y * cy) + "px";
}
function getCursorPos(e) {
var a, x = 0, y = 0;
e = e || window.event;
a = img.getBoundingClientRect();
x = e.pageX - a.left;
y = e.pageY - a.top;
x = x - window.pageXOffset;
y = y - window.pageYOffset;
return {x : x, y : y};
}
}
</script>
</ui:define>
<ui:define name="cont_principal">
<h:form id="form">
<p:panelGrid columns="1" style="width: 30%; float:left;">
<p:dataTable id="singleDT" var="car"
value="#{dtSelectionView.cars2}" selectionMode="single"
selection="#{dtSelectionView.selectedCar}" rowKey="#{car.seqN}"
scrollRows="20" scrollable="true" liveScroll="true"
scrollHeight="500">
<p:column headerText="Serial">
<h:outputText value="#{car.seqN}" />
</p:column>
<p:column headerText="Data" style="width: 30%;">
<h:outputText value="#{car.data}" style="margin-right: 10%;" />
</p:column>
<p:column headerText="Hora">
<h:outputText value="#{car.hora}" />
</p:column>
<p:column headerText="Status">
<h:graphicImage url="#{car.infracao}" style="width: 15px; height: 15px;"/>
</p:column>
<f:facet name="footer">
<p:commandButton process="singleDT" update=":form:carDetail"
value="View" />
<p:commandButton update=":form:singleDT" value="Atualizar" />
<h:outputLabel value="Buscar: " />
<h:inputText id="search" value="#{dtSelectionView.search}"
style="margin-left: 7%;" />
<p:commandButton onclick="#{dtSelectionView.searchUpdate()}"
value="Buscar" style="visibility: hidden; display: none;" />
<p:commandLink style="margin: 2%; width: 15px; height: 15px;">
<h:graphicImage
url="/RESOURCES/images/remoteAgent/bolaVerde.png" style="margin: 2%; width: 15px; height: 15px;"/>
<p:printer target=":form:carDetail"/>
</p:commandLink>
</f:facet>
</p:dataTable>
</p:panelGrid>
<p:panelGrid id="carDetail" widgetVar="carPDF" columns="2"
style="width: 70%; float: right;">
<p:panelGrid columns="2" style="float: left; width: 20%;">
<h:outputText value="Serial:" />
<h:outputText value="#{dtSelectionView.selectedCar.seqN}" />
<h:outputText value="Placa:" />
<h:outputText value="#{dtSelectionView.selectedCar.plate}" />
<h:outputText value="Data:" />
<h:outputText value="#{dtSelectionView.selectedCar.data}" />
<h:outputText value="Hora:" />
<h:outputText value="#{dtSelectionView.selectedCar.hora}" />
<h:outputText value="Evento:" />
<h:outputText value="Verificar" />
</p:panelGrid>
<p:panelGrid columns="1" class="img-zoom-container">
<script>
// Initiate zoom effect:
imageZoom("myimage", "myresult");
</script>
<img id="myimage"
src="../../RESOURCES/images/remoteAgent/473_180420160608_HJF4013_2.jpg"
style="width: 70%; margin-top: 20px;" />
<div id="myresult" class="img-zoom-result"
style="width: 70%; align: center;"></div>
</p:panelGrid>
</p:panelGrid>
</h:form>
</ui:define>
</ui:composition>
由于未加载javascript，div“ myresult”未加载到打印页面中吗？