从钥匙中获取价值。 JavaScript的

Question

recipes: {
    "Cupcakes": {name: "Cupcakes", available: true, ingredients: "", directions: ""},
    "Cookies": {name: "Cookies", available: false,  ingredients: "", directions: ""},
    "Sushi": {name: "Sushi", available: true,  ingredients: "", directions: ""},
    "Apple_Pie": {name: "Apple_Pie", available: true,  ingredients: "", directions: ""}
},

如何从关键的“寿司”中获取成分？

Answer 1

你可以像这样访问它：

var ingredients = recipes.Sushi.ingredients;

Answer 2

应该是

如果你的食谱是指定的

var myrecipes = {recipes: {
"Cupcakes": {name: "Cupcakes", available: true, ingredients: "", directions: ""},
"Cookies": {name: "Cookies", available: false,  ingredients: "", directions: ""},
"Sushi": {name: "Sushi", available: true,  ingredients: "", directions: ""},
"Apple_Pie": {name: "Apple_Pie", available: true,  ingredients: "", directions: ""}}
},

console.log(myrecipes.recipes.Shushi);