In SimpleMDE check if trigger exists before call (#9545)
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@ -1490,7 +1490,9 @@ function setCommentSimpleMDE($editArea) {
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}
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},
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Backspace: (cm) => {
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cm.getInputField().trigger('input');
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if (cm.getInputField().trigger) {
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cm.getInputField().trigger('input');
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}
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cm.execCommand('delCharBefore');
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}
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});
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