24 lines
592 B
JavaScript
24 lines
592 B
JavaScript
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window.common = (function(global) {
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const {
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common = { init: [] },
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document: doc
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} = global;
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common.getIframe = function getIframe(id = 'preview') {
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let previewFrame = doc.getElementById(id);
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// create and append a hidden preview frame
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if (!previewFrame) {
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previewFrame = doc.createElement('iframe');
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previewFrame.id = id;
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previewFrame.setAttribute('style', 'display: none');
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doc.body.appendChild(previewFrame);
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}
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return previewFrame.contentDocument ||
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previewFrame.contentWindow.document;
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};
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return common;
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})(window);
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