how to check is null or empty in typescript

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Wolfgang
27 Jan 2020
1if(typeof namedProperty!='undefined' && namedProperty){
2   return this.namedProperty;
3}
4
source
Elias
23 Jun 2017
1if(typeof propertyValue!='undefined' && propertyValue){
2	//execute code here
3}
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empty string in typescripttypescript type or null
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