mirror of https://github.com/node-red/node-red.git
37 lines
1.8 KiB
HTML
37 lines
1.8 KiB
HTML
<!--
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Copyright JS Foundation and other contributors, http://js.foundation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<script type="text/html" data-help-name="html">
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<p>Extracts elements from an html document held in <code>msg.payload</code> using a CSS selector.</p>
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<h3>Inputs</h3>
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<dl class="message-properties">
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<dt>payload <span class="property-type">string</span></dt>
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<dd>the html string from which to extract elements.</dd>
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<dt class="optional">select <span class="property-type">string</span></dt>
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<dd>if not configured in the edit panel the selector can be set as a property of msg.</dd>
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</dl>
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<h3>Output</h3>
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<dl class="message-properties">
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<dt>payload <span class="property-type">array | string</span></dt>
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<dd>the result can be either a single message with a payload containing an array of the matched elements, or multiple
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messages that each contain a matched element. If multiple messages are sent they will also have <code>parts</code> set.</dd>
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</dl>
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<h3>Details</h3>
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<p>This node supports a combination of CSS and jQuery selectors. See the
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<a href="https://github.com/fb55/CSSselect#user-content-supported-selectors" target="_blank">css-select documentation</a> for more information
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on the supported syntax.</p>
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</script>
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