task done

2026-03-13 17:01:25 +10:00
parent 58b398228f
commit c7f1192b41
3 changed files with 54 additions and 0 deletions
--- a/labs/lab2/task/d3.v7.min.js
+++ b/labs/lab2/task/d3.v7.min.js
--- a/labs/lab2/task/index.html
+++ b/labs/lab2/task/index.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="ru<head>
+    <meta charset=" utf-8">
+<title> Практика 2</title>
+<script src="d3.v7.min.js"> </script>
+<script src="main.js"></script>
+</head>
+
+<body>
+   
+</body>
+</html>
--- a/labs/lab2/task/main.js
+++ b/labs/lab2/task/main.js
@@ -0,0 +1,40 @@
+const books = [
+    {
+        title: 'Мастер и Маргарита',
+        author: 'Булгаков М.А.'
+    },
+    {
+        title: 'Белая гвардия',
+        author: 'Булгаков М.А.'
+    },
+    {
+        title: 'Война и мир',
+        author: 'Толстой Л.Н.'
+    },
+    {
+        title: 'Анна Каренина',
+        author: 'Толстой Л.Н.'
+    },
+    {
+        title: 'Игрок',
+        author: 'Достоевский Ф.М.'
+    }
+];
+
+const booksByAuthor = d3.group(books, d => d["author"])
+
+document.addEventListener("DOMContentLoaded", function () {
+    temp = d3.selectAll("p")
+        .data(booksByAuthor)
+        .enter()
+        .append("p")
+        .text(d => d[0])
+        .append("select")
+        .selectAll("option")
+        .data(d => [{ title: "выбрать все" }, ...d[1]])
+        .enter()
+        .append("option")
+        .text(d => d["title"])
+})
+
+