fix(frontend): remove duplicate options from datalist and select
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2df5352c1c
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73091f29ed
@ -20,11 +20,12 @@ function load_teachers(id) {
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.then((data) => {
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sessionStorage.setItem("teachers", JSON.stringify(data));
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let i = 0;
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const list = document.getElementById("teachers");
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list.innerHTML = "";
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data.forEach((el) => {
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const select = document.getElementById("teachers");
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const option = document.createElement("option");
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option.value = el;
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select.appendChild(option);
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list.appendChild(option);
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i++;
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});
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});
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@ -34,8 +35,14 @@ function load_classes(id) {
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fetch(`/api/classi?id=${id}`)
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.then((response) => response.json())
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.then((data) => {
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for (let i = 0; i < data.length; i++) {
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const select = document.getElementById("year");
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for (let i = 0; i < select.children.length; i++) {
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if (!select.children[i].hasAttribute("disabled")) {
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select.removeChild(select.children[i]);
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i--;
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}
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}
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for (let i = 0; i < data.length; i++) {
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const option = document.createElement("option");
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option.value = i;
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option.text = i + 1;
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@ -129,8 +136,14 @@ function select_type() {
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function load_section() {
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let data = JSON.parse(sessionStorage.getItem("classes"));
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let year = document.getElementById("year").value;
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Object.keys(data[year]).forEach((el) => {
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const select = document.getElementById("section");
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for (let i = 0; i < select.children.length; i++) {
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if (!select.children[i].hasAttribute("disabled")) {
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select.removeChild(select.children[i]);
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i--;
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}
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}
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Object.keys(data[year]).forEach((el) => {
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const option = document.createElement("option");
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option.value = el;
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option.text = el;
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@ -142,8 +155,14 @@ function load_major() {
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let data = JSON.parse(sessionStorage.getItem("classes"));
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let year = document.getElementById("year").value;
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let section = document.getElementById("section").value;
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let select = document.getElementById("major");
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for (let i = 0; i < select.children.length; i++) {
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if (!select.children[i].hasAttribute("disabled")) {
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select.removeChild(select.children[i]);
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i--;
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}
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}
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data[year][section].forEach((el) => {
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const select = document.getElementById("major");
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const option = document.createElement("option");
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option.value = el;
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option.text = el;
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