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
Etiqueta: JSON
localStorage only supports strings. Use JSON.stringify() and JSON.parse(). var names = []; names[0] = prompt(«New member name?»); localStorage.setItem(«names», JSON.stringify(names)); //… var storedNames = JSON.parse(localStorage.getItem(«names»)); Continua leyendo