将html添加到列表的最后一个元素

我是js初学者，我正试图添加结帐HTML，其中包含添加的所有电影的总价。问题是我只想把它加到最后一部电影上，然后我要做一个逻辑，计算所有电影的总和。这是我第一次发帖，希望大家能理解。

<
!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial- 
scale=1.0" />
<link
rel="stylesheet"
href="https://fonts.googleapis.com/css2?        
family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@48,400,0,0"
/>
<link rel="stylesheet" href="style.css" />
<title>Filmovizija</title>
</head>
<body>
<h1>Filmovizija</h1>
<div class="prozor"></div>
<h2>Shooping bag</h2>
<div class="shooping-cart"></div>
<script src="script.js"></script>
</body>
</html>
enter code const options = {
method: "GET",
headers: {
"X-RapidAPI-Key": "cd782e9b03mshbd50bac036f1802p16179djsn48c38f33f263",
"X-RapidAPI-Host": "online-movie-database.p.rapidapi.com",
},
};
const main = document.querySelector(`.prozor`);
const shoopingCart = document.querySelector(`.shooping-cart`);
fetch(
"https://online-movie-database.p.rapidapi.com/auto-complete?q=hacker",
options
)
.then((response) => response.json())
.then((data) => {
const list = data.d;
list.map((item) => {
const name = item.l;
const rank = item.rank;
const price = Math.floor(rank / 100);
const poster = item.i.imageUrl;
const movie = ` <div class="movie">
<img src=${poster} alt="${name}" />
<div class="movie-info">
<h3>${name}</h3>
<span>#${rank}</span>
</div>
<div class="kupi">
<button class="addToBag">Kupi film</button>
<span>${price} HRK</span>
</div>
</div>`;
main.innerHTML += movie;
//---------------------------------- dodaj u kosaricu =--------------------------//
const button = document.querySelectorAll(`.addToBag`);
button.forEach((button) => {
button.addEventListener(`click`, function (e) {
const clicked = e.target;
const kupi = clicked.closest(`.kupi`);
const cijena2 = kupi.querySelector(`span`).innerText;
const cijena = cijena2.split(` `)[0];
const parent = kupi.closest(`.movie`);
const imeFilma = parent.querySelector(`.movie-info h3`).innerText;
const imgSrc = parent.querySelector(`img`).src;
const singleItem = `
<div class="single-item">
<span class="material-symbols-outlined deleteItem"> close </span>
<img src=${imgSrc} alt="aaa" class="smallPic" />
<div class="opis">
<h2>${imeFilma}</h2>
</div>
<div class="kolicina">
<button class="plus">+</button>
<input type="text" value="1" max="3" min="1" class="input"/>
<button class="minus">-</button>
</div>
<div class="single-total" data-value="${cijena}">${cijena} KN</div>
</div>
`;
shoopingCart.innerHTML += singleItem;
const basketTotal = `
<div class="totalKosara">
<div class="potvrdi">
<p class="sub">Subtotal</p>
<p class="price">675 KN</p>
</div>
<div class="text">
<p>Shipping, taxes and discounts calculated at checkout.</p>
</div>
<div class="blue"><button>Checkout</button></div>
</div>
`;
shoopingCart.innerHTML += basketTotal;
//OBRISI ITEM
const deleteItem = document.querySelectorAll(`.deleteItem`);
deleteItem.forEach((btn) => {
btn.addEventListener(`click`, function (e) {
const mainEl = e.target.closest(`.single-item`);
mainEl.parentNode.removeChild(mainEl);
button.disabled = false;
});
});
//add more movies btn
const plusBtn = document.querySelectorAll(`.plus`);
const minusBtn = document.querySelectorAll(`.minus`);
plusBtn.forEach((btn) => {
btn.addEventListener(`click`, function (e) {
let plus = e.target;
let parent = plus.closest(`.kolicina`);
let input = parent.querySelector(`.input`);
let singleEl = parent.closest(`.single-item`);
let singleTotal = singleEl.querySelector(`.single-total`);
input.value++;
if (input.value > 3) input.value = 3;
singleTotal.innerText = `${
singleTotal.dataset.value * input.value
} KN`;
});
});
minusBtn.forEach((btn) => {
btn.addEventListener(`click`, function (e) {
let plus = e.target;
let parent = plus.closest(`.kolicina`);
let input = parent.querySelector(`.input`);
let singleEl = parent.closest(`.single-item`);
let singleTotal = singleEl.querySelector(`.single-total`);
input.value--;
console.log(input.innerText);
if (input.value < 1) input.value = 1;
singleTotal.innerText = `${
singleTotal.dataset.value * input.value
} KN`;
});
});
});
});
});
})
.catch((err) => console.error(err));here

* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
background-color: #22254b;
font-family: "Poppins", sans-serif;
}
h1 {
text-align: center;
color: #eee;
font-family: inherit;
margin-top: 30px;
margin-bottom: 30px;
}
.prozor {
display: flex;
flex-wrap: wrap;
}
.movie {
width: 300px;
border-radius: 4px;
box-shadow: 0 4px 5px rgba(0, 0, 0, 0.3);
background-color: #373b69;
margin: 25px;
}
.movie-info {
color: #eee;
display: flex;
justify-content: space-between;
padding: 10px;
letter-spacing: 1px;
align-items: center;
}
.movie img {
width: 100%;
border-bottom: 1px solid white;
height: 450px;
}
.movie-info h3 {
font-weight: 300;
margin: 0;
}
.movie-info span {
font-weight: 400;
border-radius: 3px;
background-color: #22254b;
padding: 3px 7px;
}
.movie .kupi {
color: #eee;
display: flex;
justify-content: space-between;
padding: 10px;
padding-bottom: 15px;
letter-spacing: 1px;
align-items: center;
}
.movie .kupi button {
padding: 2px 8px;
font-size: 14px;
font-weight: 500;
}
.movie .kupi span {
font-size: 18px;
font-weight: 500;
}
/* ----------------------------------- SHOOPING CART ------------------------------------------------ */
.shooping-cart {
border-top: 2px solid rgb(214, 214, 214);
width: 1000px;
height: 500px;
margin-left: 25px;
}
h2 {
color: whitesmoke;
text-transform: uppercase;
font-size: 20px;
font-weight: 300;
margin-bottom: 20px;
margin-left: 25px;
}
.shooping-cart .single-item {
width: 100%;
display: flex;
align-items: center;
justify-content: space-between;
padding: 20px;
border-bottom: 2px dotted grey;
}
.shooping-cart .single-item span {
background-color: rgb(255, 255, 255);
margin-left: 20px;
border-radius: 50%;
color: black;
}
.smallPic {
height: 70px;
width: 70px;
border: 1px solid grey;
}
.shooping-cart .single-item .opis {
align-items: center;
display: flex;
flex-direction: column;
color: white;
font-family: inherit;
}
.shooping-cart .single-item .opis h2 {
font-weight: 300;
margin-bottom: 5px;
}
.shooping-cart .single-item .opis h3 {
font-size: 14px;
font-weight: bold;
color: antiquewhite;
text-transform: uppercase;
}
.shooping-cart .single-item .kolicina input {
width: 30px;
text-align: center;
}
.shooping-cart .single-item .kolicina button {
padding: 2px 6px;
background-color: whitesmoke;
border: 0;
}
.single-total {
color: white;
margin-right: 20px;
}
/* ----------------------------------- SHOOPING CART TOTAL ALL ------------------------------------------------ */
.totalKosara {
float: right;
display: flex;
flex-direction: column;
width: 350px;
height: 160px;
margin-top: 15px;
}
.potvrdi {
display: flex;
width: 100%;
margin: 20px 0;
justify-content: space-between;
text-align: center;
}
.potvrdi .sub,
.price {
color: #eee;
font-weight: bold;
padding: 5px;
}
.text {
color: white;
font-size: 14px;
text-align: center;
}
.blue {
width: 100%;
align-items: center;
display: flex;
justify-content: center;
margin-top: 30px;
}
.blue button {
width: 100%;
border-radius: 2px;
border: 0;
padding: 10px;
background-color: #0b1050;
color: #eee;
font-family: inherit;
border: 1px solid grey;
}

好吧，这不是最干净的方法，但它有效。

我做了什么:

在minusBtn.foreach中添加let subtot = document.querySelector('.price');，和plusBtn.forEach

为这些元素添加值的方式与singleTotal相同变量:

subtot.innerText = `${
singleTotal.dataset.value * input.value
} KN`;

将<p class="price">${cijena}</p>-的输入值更改为<p class="price">675 KN</p>"

下面是一个代码片段，你可以看到:

const options = {
method: "GET",
headers: {
"X-RapidAPI-Key": "cd782e9b03mshbd50bac036f1802p16179djsn48c38f33f263",
"X-RapidAPI-Host": "online-movie-database.p.rapidapi.com",
},
};
const main = document.querySelector(`.prozor`);
const shoopingCart = document.querySelector(`.shooping-cart`);
fetch(
"https://online-movie-database.p.rapidapi.com/auto-complete?q=hacker",
options
)
.then((response) => response.json())
.then((data) => {
const list = data.d;
list.map((item) => {
const name = item.l;
const rank = item.rank;
const price = Math.floor(rank / 100);
const poster = item.i.imageUrl;
const movie = ` <div class="movie">
<img src=${poster} alt="${name}" />
<div class="movie-info">
<h3>${name}</h3>
<span>#${rank}</span>
</div>
<div class="kupi">
<button class="addToBag">Kupi film</button>
<span>${price} HRK</span>
</div>
</div>`;
main.innerHTML += movie;
//---------------------------------- dodaj u kosaricu =--------------------------//
const button = document.querySelectorAll(`.addToBag`);
button.forEach((button) => {
button.addEventListener(`click`, function (e) {
const clicked = e.target;
const kupi = clicked.closest(`.kupi`);
const cijena2 = kupi.querySelector(`span`).innerText;
const cijena = cijena2.split(` `)[0];
const parent = kupi.closest(`.movie`);
const imeFilma = parent.querySelector(`.movie-info h3`).innerText;
const imgSrc = parent.querySelector(`img`).src;
const singleItem = `
<div class="single-item">
<span class="material-symbols-outlined deleteItem"> close </span>
<img src=${imgSrc} alt="aaa" class="smallPic" />
<div class="opis">
<h2>${imeFilma}</h2>
</div>
<div class="kolicina">
<button class="plus">+</button>
<input type="text" value="1" max="3" min="1" class="input"/>
<button class="minus">-</button>
</div>
<div class="single-total" data-value="${cijena}">${cijena} KN</div>
</div>
`;
shoopingCart.innerHTML += singleItem;
const basketTotal = `
<div class="totalKosara">
<div class="potvrdi">
<p class="sub">Subtotal</p>
<p class="price">${cijena}</p>
</div>
<div class="text">
<p>Shipping, taxes and discounts calculated at checkout.</p>
</div>
<div class="blue"><button>Checkout</button></div>
</div>
`;
shoopingCart.innerHTML += basketTotal;
//OBRISI ITEM
const deleteItem = document.querySelectorAll(`.deleteItem`);
deleteItem.forEach((btn) => {
btn.addEventListener(`click`, function (e) {
const mainEl = e.target.closest(`.single-item`);
mainEl.parentNode.removeChild(mainEl);
button.disabled = false;
});
});
//add more movies btn
const plusBtn = document.querySelectorAll(`.plus`);
const minusBtn = document.querySelectorAll(`.minus`);

plusBtn.forEach((btn) => {
btn.addEventListener(`click`, function (e) {
let plus = e.target;
let parent = plus.closest(`.kolicina`);
let input = parent.querySelector(`.input`);
let singleEl = parent.closest(`.single-item`);
let singleTotal = singleEl.querySelector(`.single-total`);
let subtot = document.querySelector('.price');
input.value++;
if (input.value > 3) input.value = 3;
singleTotal.innerText = `${
singleTotal.dataset.value * input.value
} KN`;
subtot.innerText = `${
singleTotal.dataset.value * input.value
} KN`;
});
});
minusBtn.forEach((btn) => {
btn.addEventListener(`click`, function (e) {
let plus = e.target;
let parent = plus.closest(`.kolicina`);
let input = parent.querySelector(`.input`);
let singleEl = parent.closest(`.single-item`);
let singleTotal = singleEl.querySelector(`.single-total`);
let subtot = document.querySelector('.price');
input.value--;
console.log(input.innerText);
if (input.value < 1) input.value = 1;
singleTotal.innerText = `${
singleTotal.dataset.value * input.value
} KN`;
subtot.innerText = `${
singleTotal.dataset.value * input.value
} KN`;
});
});
});
});
});
})
.catch((err) => console.error(err));

<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial- 
scale=1.0" />
<link
rel="stylesheet"
href="https://fonts.googleapis.com/css2?        
family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@48,400,0,0"
/>
<link rel="stylesheet" href="style.css" />
<title>Filmovizija</title>
</head>
<body>
<h1>Filmovizija</h1>
<div class="prozor"></div>
<h2>Shooping bag</h2>
<div class="shooping-cart"></div>
<script src="script.js"></script>
</body>
</html>

注意:这是一个外部代码片段，因为它包含了大图片，所以很难看到上面发生了什么。

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