getBlank.js
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上传日期:2018-01-08
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文件大小:2k
- /*
- * 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 with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, 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 under the License.
- */
- /**
- * getBlank script - when included in a html file and called from a form text field, will set the value of this field to ""
- * if the text value is still the standard value.
- * getPrompt script - when included in a html file and called from a form text field, will set the value of this field to the prompt
- * if the text value is empty.
- *
- * Typical usage:
- * <script type="text/javascript" language="JavaScript" src="getBlank.js"></script>
- * <input type="text" id="query" value="Search the site:" onFocus="getBlank (this, 'Search the site:');" onBlur="getBlank (this, 'Search the site:');"/>
- */
- <!--
- function getBlank (form, stdValue){
- if (form.value == stdValue){
- form.value = '';
- }
- return true;
- }
- function getPrompt (form, stdValue){
- if (form.value == ''){
- form.value = stdValue;
- }
- return true;
- }
- //-->