90 lines
3.5 KiB
HTML
90 lines
3.5 KiB
HTML
<!DOCTYPE html>
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<!--
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Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
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Click nbfs://nbhost/SystemFileSystem/Templates/ClientSide/html.html to edit this template
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-->
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<html>
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<head>
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<title>Problem 4</title>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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</head>
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<style>
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table, th, td {
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border: 1px solid;
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}
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</style>
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<body>
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<div id="tableDiv"></div>
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<!div><!input type="button" onclick="tableBuilder()" value="Build table"><!/div>
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</body>
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<script>
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const formatter = new Intl.NumberFormat('en-US', {
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style: 'currency',
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currency: 'USD',
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});
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let itemPrices = [];
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let multipliers = [1, 1, 1, 1, 1, 1, 1, 1];
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let ids = ["notebookVal", "penVal", "mechanicalPencilVal", "refilPackVal", "laptopCaseVal", "cellphoneCaseVal", "threeRingBinderVal", "threeHolePaperRefilVal"];
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tableBuilder();
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function getTotal() {
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let total = 0;
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for (let i = 0; i < itemPrices.length; ++i) {
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total += itemPrices[i];
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}
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return total;
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}
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function updateMultiplier(id) {
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let basePrices = [5.95, 4.95, 2.95, 0.98, 29.99, 18.99, 6.95, 2.00];
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let multValue;
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// Set item values to base prices on page load.
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if (id == undefined) {
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multValue = -1; // This prevents the function from crashing when the page loads.
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for (let i = 0; i < basePrices.length; ++i) {
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itemPrices[i] = (basePrices[i]);
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}
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} else {
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multValue = document.getElementById(id).value;
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}
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// Determine index to update
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for (let i = 0; i < ids.length; ++i) {
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if (id == ids[i]) {
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var idIndex = i;
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multipliers[i] = multValue;
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console.log("idIndex:", idIndex);
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}
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}
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// Set itemPrices;
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//itemPrices = []; //Clear array
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for (let i = 0; i < basePrices.length; ++i) {
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if (idIndex == i) {
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itemPrices[i] = (basePrices[i] * multValue);
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} else {
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//
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}
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}
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tableBuilder();
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console.log(id + ": ", itemPrices[idIndex]);
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}
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function tableBuilder() {
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let itemNames = ["Notebook", "Pen", "Mechanical Pencil", "Lead refil pack", "Laptop case", "Cellphone case", "3-ring binder", "3-hole paper refil"];
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let tableString = "";
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tableString = "<table>" + "<tr>" + " <th>Item Name</th>" + " <th>Quantity</th>" + " <th>Price</th>" + " </tr>";
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for (let i = 0; i < itemNames.length; ++i) {
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tableString += "<tr>";
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tableString += "<td>" + itemNames[i] + "</td>";
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tableString += "<td>" + "<input type='number' min='0'" + "id='" + ids[i] + "' onChange='updateMultiplier(this.id);'" + "value='" + multipliers[i] + "' >" + "</td>";
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tableString += "<td>" + formatter.format(itemPrices[i]) + "</td>";
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tableString += "</tr>";
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}
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tableString += "</table>";
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tableString += "<p> Total: " + formatter.format(getTotal()) + "</p>";
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document.getElementById("tableDiv").innerHTML = tableString;
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}
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updateMultiplier();
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</script>
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</html>
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