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Начало второй лабораторной.

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This commit is contained in:
Katerina881 2023-02-27 15:08:40 +04:00
parent 21ab7bd988
commit ba678f0ba9
1 changed files with 0 additions and 81 deletions
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81
spring_online_calculator/LabOne/node_modules/items.js generated vendored
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@ -1,81 +0,0 @@
'use strict'
function addItemToTable(item, price, count) {
console.info('Try to add item');
const table = document.querySelector("#tbl-items tbody");
if (table == null) {
throw 'Table is not found';
}
const linesCount = document.querySelectorAll("#tbl-items tbody tr").length;
const id = 'item-' + Date.now();
const tableHtml =
'<tr id="' + id + '">\
<th scope="row">' + (linesCount + 1) + '</th>\
<td>' + item +'</td>\
<td>' + price.toFixed(2) + '</td>\
<td>' + count + '</td>\
<td>' + (price * count).toFixed(2) + '</td>\
<td><a href=# onclick="removeItemFromTable(\''+ id +'\')"><i class="fa-solid fa-trash"></i></a></td>\
</tr>';
table.innerHTML += tableHtml;
console.info('Added');
}
function removeItemFromTable(id) {
console.info('Try to remove item');
if (!confirm('Do you really want to remove this item?')) {
console.info('Canceled');
return;
}
const item = document.querySelector('#' + id);
if (item == null) {
throw 'Item with id [' + id + '] is not found';
}
item.remove();
const numbers = document.querySelectorAll("#tbl-items tbody tr th");
for (let i = 0; i < numbers.length; i++) {
numbers[i].innerHTML = i + 1;
}
console.info('Removed');
}
document.addEventListener('DOMContentLoaded', function () {
console.info('Loaded');
const form = document.querySelector("#frm-items");
if (form !== null) {
form.addEventListener('submit', function(event) {
console.info('Form onsubmit');
event.preventDefault();
const item = document.querySelector("#item");
if (item == null) {
throw 'Item control is not found';
}
const price = document.querySelector("#price");
if (price == null) {
throw 'Price control is not found';
}
const count = document.querySelector("#count");
if (count == null) {
throw 'Count control is not found';
}
addItemToTable(item.value, parseFloat(price.value), parseInt(count.value));
item.value = '';
price.value = 0;
count.value = 0;
});
}
});