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Some more type checking before use to avoid errors
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@ -230,7 +230,7 @@ function et2_checkType(_val, _type, _attr, _widget)
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// Javascript
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if (_type == "js")
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{
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if (typeof _val == "function")
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if (typeof _val == "function" || typeof _val == "undefined")
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{
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return _val;
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}
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