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Spacer

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Component Demo
Above spacer
Below spacer

Sumary

pacer occupies a fixed amount of space in a layout, specified by its width and height attributes. If the width is not specified, but height specified, a block level HTML element is rendered, thereby introducing a new line effect. If width is specified, then, irrespective of the specified value of height, it may not get shorter than the applicable line-height, in user agents that strictly support standards mode HTML.
Read more on MyFaces: Tag Documentation

Code samples

JSF Page
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<!--
    Licensed to the Apache Software Foundation (ASF) under one
    or more contributor license agreements.  See the NOTICE file
    distributed with this work for additional information
    regarding copyright ownership.  The ASF licenses this file
    to you under the Apache License, Version 2.0 (the
    "License"); you may not use this file except in compliance
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    http://www.apache.org/licenses/LICENSE-2.0

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    software distributed under the License is distributed on an
    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    KIND, either express or implied.  See the License for the
    specific language governing permissions and limitations
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-->
        
<ui:composition xmlns="http://www.w3.org/1999/xhtml"
                xmlns:ui="http://java.sun.com/jsf/facelets"
                xmlns:tr="http://myfaces.apache.org/trinidad"
                template="/pages/componentDemo.xhtml">

    <ui:define name="demoContent">

        <tr:outputText value="Above spacer"/>
        <tr:spacer height="20px"/>
        <tr:outputText value="Below spacer"/>

    </ui:define>
</ui:composition>