我想循环通过我的JSON数组,并获得ItemName和价格根据类别,当我选择一个特定的类别:美味对待,装饰和娱乐,并显示它们在多个下拉列表。我写的代码是获取一个选择标签中所有类别的所有ItemName和价格。 继承人我的代码循环通过一个JSON数组在javascript中的具体数据
function data() {
var text = '{"DataArray":[{"ItemName":"Salmon Puffs","Price":5,"Category":"Delicious Treats"},{"ItemName":"Beans on Toast Sandwich","Price":200,"Category":"Delicious Treats"},{"ItemName":"Whole Mashed Potatoes","Price":50,"Category":"Delicious Treats"},{"ItemName":"Calamari","Price":20,"Category":"Delicious Treats"},{"ItemName":"Egyptian Decor Pack","Price":300,"Category":"Decoration"},{"ItemName":"Marie Biscuits","Price":80,"Category":"Delicious Treats"},{"ItemName":"Middle Eastern Decor Pack","Price":390,"Category":"Decoration"},{"ItemName":"Star Wars Decor Pack","Price":360,"Category":"Decoration"},{"ItemName":"Hipster Decor Pack","Price":350,"Category":"Decoration"},{"ItemName":"Pears shaped liked Apples","Price":1000,"Category":"Delicious Treats"},{"ItemName":"Flowers","Price":20,"Category":"Decoration"},{"ItemName":"Dance Floor","Price":60,"Category":"Entertainment"},{"ItemName":"Clowns","Price":20.35,"Category":"Entertainment"},{"ItemName":"Fire Dancers","Price":80,"Category":"Entertainment"},{"ItemName":"Cantina Band","Price":2000,"Category":"Entertainment"},{"ItemName":"Improved Salmon Puffs","Price":5,"Category":"Delicious Treats"}]}';
obj = JSON.parse(text);
}
for (i = 0; i < obj.DataArray.length; i++)
{
addOption(document.drop_list.item, obj.DataArray[i].Price, obj.DataArray[i].ItemName);
}
任何援助将得到高度赞赏。感谢
我真的不明白',并得到ITEMNAME和价格按类别当我选择一个特定的category'手段。你的意思是像下拉菜单中的多个['