ndr_download_button: Do not add button if there is one already.
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@ -2,7 +2,7 @@
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// @name NDR download button
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// @description Adds a download-button for every video and audio on ndr.de.
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// @description:de Fügt einen download-button für jedes videos und audio auf ndr.de hinzu.
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// @version 2019.06.17.2
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// @version 2019.06.17.3
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// @author tastytea
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// @copyright 2019, tastytea (https://tastytea.de/)
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// @license GPL-3.0-only
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@ -39,6 +39,14 @@ function add_button(parent, url)
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{
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buttontext += " HD";
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}
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else
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{
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// If there is already an equivalent download-button, do nothing.
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if (document.getElementsByClassName("button download").length > 0)
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{
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return;
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}
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}
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const button = document.createElement("a");
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button.setAttribute("class", "button download");
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