London | 26-ITP-May | Russom Gebremeskel | Sprint 2 | Book Library #562
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,103 +1,92 @@ | ||
| const myLibrary = []; | ||
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| function Book(title, author, pages, wasRead) { | ||
| this.title = title; | ||
| this.author = author; | ||
| this.pages = pages; | ||
| this.wasRead = wasRead; | ||
| } | ||
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| const titleInput = document.getElementById("title"); | ||
| const authorInput = document.getElementById("author"); | ||
| const pagesInput = document.getElementById("pages"); | ||
| const readInput = document.getElementById("check"); | ||
| const message = document.getElementById("message"); | ||
| const bookList = document.getElementById("book-list"); | ||
| const addBookButton = document.getElementById("add-book"); | ||
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| function addDefaultBooks() { | ||
| if (myLibrary.length === 0) { | ||
| myLibrary.push(new Book("Robinson Crusoe", "Daniel Defoe", 252, true)); | ||
| myLibrary.push( | ||
| new Book("The Old Man and the Sea", "Ernest Hemingway", 127, true) | ||
| ); | ||
| } | ||
| } | ||
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| function addBook() { | ||
| const title = titleInput.value.trim(); | ||
| const author = authorInput.value.trim(); | ||
| const pages = Number(pagesInput.value); | ||
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| if (!title || !author || !pagesInput.value) { | ||
| alert("Please fill all fields!"); | ||
| return; | ||
| } | ||
| if (isNaN(pages) || pages <= 0) { | ||
|
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| alert("Pages must be a valid number!"); | ||
| return; | ||
| } | ||
| myLibrary.push(new Book(title, author, pages, readInput.checked)); | ||
| render(); | ||
| } | ||
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| function render() { | ||
| bookList.innerHTML = ""; | ||
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| for (let i = 0; i < myLibrary.length; i++) { | ||
| const row = bookList.insertRow(); | ||
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| const titleCell = row.insertCell(0); | ||
| const authorCell = row.insertCell(1); | ||
| const pagesCell = row.insertCell(2); | ||
| const wasReadCell = row.insertCell(3); | ||
| const deleteCell = row.insertCell(4); | ||
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| titleCell.textContent = myLibrary[i].title; | ||
| authorCell.textContent = myLibrary[i].author; | ||
| pagesCell.textContent = myLibrary[i].pages; | ||
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| //add and wait for action for read/unread button | ||
| const readButton = document.createElement("button"); | ||
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| readButton.className = "btn btn-success"; | ||
| readButton.textContent = myLibrary[i].wasRead ? "Yes" : "No"; | ||
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| wasReadCell.appendChild(readButton); | ||
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| readButton.addEventListener("click", function () { | ||
| myLibrary[i].wasRead = !myLibrary[i].wasRead; | ||
| render(); | ||
| }); | ||
|
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| const deleteButton = document.createElement("button"); | ||
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| deleteButton.className = "btn btn-warning"; | ||
| deleteButton.textContent = "Delete"; | ||
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| deleteCell.appendChild(deleteButton); | ||
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| deleteButton.addEventListener("click", function () { | ||
| const deleteTitle = myLibrary[i].title; | ||
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| myLibrary.splice(i, 1); | ||
| render(); | ||
| message.textContent = `You've deleted title: ${deleteTitle}`; | ||
| }); | ||
| } | ||
| } | ||
|
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| addDefaultBooks(); | ||
| render(); | ||
| addBookButton.addEventListener("click", addBook); | ||
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The browser checks the input elements against the specified constraints only when a user submits a form.
Without
<form>, the browser won't check the input against the constraints such asrequiredandmin="1".