Verificar si key existe en objeto JSON / Check if key exists in JSON object using jQuery

if you have an array

var subcategories=[{name:«test»,desc:«test»}];

function hasCategory(nameStr) {
for(let i=0;i<subcategories.length;i++){
if(subcategories[i].name===nameStr){
return true;
}
}
return false;
}

if you have an object

var category={name:«asd»,test:«»};

if(category.hasOwnProperty(‘name’)){//or category.name!==undefined
return true;
}else{
return false;
}