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Homework 2 js Radko #203

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013f901
feat: homework html+css
dariaradko5-dev May 16, 2026
ad47632
Add JavaScript logic and updates
dariaradko5-dev May 23, 2026
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35 changes: 31 additions & 4 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -2,15 +2,42 @@
<html>
<head lang="uk">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>My Page</title>


<link rel="stylesheet" type="text/css" href="main.css" />
</head>
<body>
<span class="product-item">
Apple
<span class="amount">4</span>
</span>
<div class="container">

<div class="firstBlock">
<form id="add-form">
<input type="text" id="product-input" placeholder="Назва товару">
<button type="submit" data-tooltip="Додати товар">Додати</button>
</form>

<div id="product-item"></div>
</div>

<div class="secondBlock">
<div class="status">
<h3>Залишилось</h3>
<div id="product-left"></div>
</div>
<div class="status">
<h3>Куплено</h3>
<div id="product-bought"></div>
</div>
</div>

</div>

<div class="badge">
<p class="title">Buy List</p>
<p class="created">Created by: </p>
<p class="author">Radko Daria</p>
</div>
<script src="javaScript.js"></script>
</body>
</html>
108 changes: 108 additions & 0 deletions javaScript.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,108 @@
const nameInput=document.getElementById("product-input");
const productItem=document.getElementById("product-item");
const formElem=document.getElementById("add-form");
const productLeft=document.getElementById("product-left");
const productBought=document.getElementById("product-bought");
let savedData = localStorage.getItem("box");

let products = savedData ? JSON.parse(savedData):[
{id: 1, name:"Помідори", isBought:true, amount:2, isEdit: false},
{id: 2, name: "Печиво", isBought:false, amount:2, isEdit: false},
{id: 3, name: "Сир", isBought:false, amount:1, isEdit: false}
];

formElem.addEventListener("submit",function(event){
event.preventDefault();
const nameProduct=nameInput.value.trim();
if(nameProduct===""){
return;
}
const addProduct={id: Date.now(), name: nameProduct, isBought:false, amount: 1, isEdit:false};
products.push(addProduct);
nameInput.value="";
nameInput.focus();
drawListProducts();
});
function drawListProducts(){
productItem.innerHTML="";
productLeft.innerHTML="";
productBought.innerHTML="";
products.forEach(product => {
let productElem=document.createElement("div");
productElem.className="product-item";
productElem.dataset.id=product.id;
productElem.innerHTML = `
${product.isEdit && !product.isBought? `<input type="text" class="input-edit" value="${product.name}"/>`:`<span class="${product.isBought? 'product-name-not-bought': 'product-name'}">${product.name}</span>`
}

<div class="amountContr">
<button data-tooltip="Зменшити" class="${product.isBought ? 'hidden' : ''}" ${product.amount===1 ? 'disabled' : ''}>-</button>
<span class="amountsqr">${product.amount}</span>
<button data-tooltip="Збільшити" class="${product.isBought ? 'hidden' : ''}">+</button>
</div>

<div class="product-status">
<button data-tooltip="${product.isBought ? 'Цей товар вже куплено' : 'Цей товар не купили'}">${product.isBought ? 'Куплено' : 'Не куплено'}</button>
<button data-tooltip="Видалити" class="${product.isBought ? 'hidden' : ''}">x</button>
</div>
`;
productItem.appendChild(productElem);
let stateItem=document.createElement("div");
stateItem.className="product";
stateItem.innerHTML=`
<span class="${product.isBought ? 'product-name-not-bought-block2' : 'product-name-block2'}">${product.name}</span>
<span class="amount">${product.amount}</span>
`;
if(product.isBought){
productBought.appendChild(stateItem);
}
else{
productLeft.appendChild(stateItem);
}

});
localStorage.setItem("box", JSON.stringify(products));

}
productItem.addEventListener("click", function(event) {
if(event.target.tagName!=="BUTTON"&&!event.target.classList.contains("product-name")){return}
const row=event.target.closest(".product-item");
const prodId=Number(row.dataset.id);
const productCur=products.find(product=>product.id===prodId);
if(event.target.classList.contains("product-name")){
productCur.isEdit=true;
drawListProducts();
const freshRow = productItem.querySelector(`[data-id="${prodId}"]`);
freshRow.querySelector(".input-edit").focus();
return;
}
if(event.target.textContent==="+"){
productCur.amount++;
}
if (event.target.textContent==="-") {
if(productCur.amount>1){
productCur.amount--;
}
}
if (event.target.textContent==="x"){
products=products.filter(product=>product.id!=prodId);
}
if(event.target.textContent==="Не куплено"||event.target.textContent==="Куплено"){
productCur.isBought=!productCur.isBought;
}
drawListProducts();
});
productItem.addEventListener("focusout", function(event){
if(event.target.classList.contains("input-edit")){
const row=event.target.closest(".product-item");
const prodId=Number(row.dataset.id);
const productCur=products.find(product=>product.id===prodId);
const newVal=event.target.value.trim();
if(newVal!=""){
productCur.name=newVal;
}
productCur.isEdit=false;
drawListProducts();
}
})
drawListProducts();
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