不会在cloud-firestore中删除存储的文档。
当我运行我的程序时,显示5个按钮(因为我的firestore文档是5),当我单击按钮然后显示错误 test.html:1未捕获的ReferenceError:ds5678fhiksnie未定义 在HTMLButtonElement.onclick(test.html:1) 我想 单击按钮时,将删除基于文档的ID。
<html>
<body>
<!-- parent named class inner buttons according document stored in cloud-firestore-->
<div class="parent"></div>
<-- api -->
<script src="https://www.gstatic.com/firebasejs/4.9.0/firebase.js"></script>
<script
src="https://www.gstatic.com/firebasejs/4.9.0/firebase-firestore.js"></script>
<script>
// web setup this is sample
firebase.initializeApp({
apiKey: '### FIREBASE API KEY ###',
authDomain: '### FIREBASE AUTH DOMAIN ###',
projectId: '### CLOUD FIRESTORE PROJECT ID ###'
});
firebase.initializeApp(config);
</script>
<script>
var db = firebase.firestore();
// inserting one record automatic id
db.collection("users").add({
first: "Ada",
last: "Lovelace",
born: 2000
})
.then(function(docRef) {
console.log("Document written with ID: ", docRef.id);
})
.catch(function(error) {
console.error("Error adding document: ", error);
});
// get element
var p =document.querySelector(".parent");
// display the document
db.collection("users").get().then(function(querySnapshot) {
querySnapshot.forEach(function(doc) {
var d=String(doc.id);
console.log(d);
// if stored documents are 5 then 5 buttons will display
p.innerHTML+="<button onclick=delet("+String(d)+")>Hello</button>";
});
});
// delete function(id passing)
function delet(v) {
console.log(v);
db.collection("users").doc(v).delete().then(function() {
console.log("Document successfully deleted!");
}).catch(function(error) {
console.error("Error removing document: ", error);
});
}
</script>
</body>
</html>
答案 0 :(得分:1)
使用JavaScript文字
Background
答案 1 :(得分:0)
尝试collection.child(v).remove()
然后处理你的回调。