<select id="city"></select>
<select id="warehouse"></select>
const citySelect = document.querySelector('#city');
const warehouseSelect = document.querySelector('#warehouse');
citySelect.addEventListener('change', function() {
updateSelectOptions(warehouseSelect, {
calledMethod: 'getWarehouses',
methodProperties: {
CityName: this.value,
},
});
});
updateSelectOptions(citySelect, {
calledMethod: 'getCities',
methodProperties: {
FindByString: '',
},
});
function updateSelectOptions(selectEl, queryData) {
fetch('https://api.novaposhta.ua/v2.0/json/', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({
modelName: 'Address',
apiKey: '',
...queryData,
}),
})
.then(r => r.json())
.then(r => selectEl.innerHTML = r.data
.map(n => `<option>${n.Description}</option>`)
.join('')
);
}
const includes = (a, b) => Object.entries(b).every(([ k, v ]) => Object.is(v, a[k]));
const check = (a, b) => Object.values(a).some(n => includes(n, b));
const result = check(parent, { a: '1', b: '1' });
const wrapper = document.querySelector('.block');
const blockSelector = '.block_one';
const activeClass = 'active';
wrapper.addEventListener('mouseover', onHover);
wrapper.addEventListener('mouseout', onHover);
function onHover({ type, target }) {
const block = type === 'mouseover' && target.closest(blockSelector);
this.querySelectorAll(blockSelector).forEach(n => {
n.classList.toggle(activeClass, !!block && n !== block);
});
}
.block:has(.block_one:hover) .block_one:not(:hover) {
/* сюда переносим стили того класса, который через js добавлялся */
}
document.querySelectorAll('.number').forEach(n => {
n.innerText = n.innerText.replace(/\d+/g, m => (+m).toLocaleString());
});
fetch('https://api.novaposhta.ua/v2.0/json/', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
modelName: 'Address',
calledMethod: 'getWarehouses',
methodProperties: {
CityName: document.querySelector('.myCityName').textContent,
},
apiKey: '',
}),
})
.then(r => r.json())
.then(r => {
document.querySelector('.mySelect').innerHTML = r.data
.map(n => `<option>${n.Description}</option>`)
.join('');
});
setInterval(tesla.moveRight,30)
setInterval(tesla.moveRight.bind(tesla), 30)
setInterval(() => tesla.moveRight(), 30)
class Car {
...
moveRight = () => {
...
}
}
используется для получения и установки инлайновых стилей
const result = arr
.reduce((acc, n, i, a) => (
a[i - 1] !== n && acc.push([ n, 0 ]),
acc[acc.length - 1][1]++,
acc
), [])
.map(([ v, c ]) => c === 1 ? v : Array(c).fill(v));
const result = arr
.reduce((acc, n, i, a) => (
a[i - 1] === n || acc.push([]),
acc[acc.length - 1].push(n),
acc
), [])
.map(n => n.length === 1 ? n[0] : n);
const result = arr.reduce((acc, n, i, a) => {
const prev = n === a[i - 1];
const next = n === a[i + 1];
!prev && next && acc.push([]);
(prev || next ? acc[acc.length - 1] : acc).push(n);
return acc;
}, []);
Array.from({ length: 48 }, (n, i) => {
const d = new Date(0, 0, 0, 0, 30 * i);
return d.toLocaleTimeString('en-US', { hour: '2-digit', minute: '2-digit' });
})
[...`${num}`].map(Number)
num.toString().split('').map(n => +n)
Array.from(String(num), parseFloat)
('' + num).match(/./g).map(n => parseInt(n))
Object.values(num.toFixed()).map(n => ~~n)
[].map.call(/.+/.exec(num)[0], n => n * 1)
eval('['.concat(num, ']').replace(/\d/g, '$&,'))
Object.assign([], JSON.stringify(num)).map(JSON.parse)
Array(1 + (Math.log10(num) | 0)).fill().map((n, i) => (num / 10 ** i | 0) % 10).reverse()
((f = (x, a) => (a.unshift(x % 10), x = x / 10 | 0, x ? f(x, a) : a)) => f(num, []))()
<table>
<tr>
<td><div class="draggable">0</div></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td><div class="draggable">1</div></td>
<td><div class="draggable">2</div></td>
</tr>
<tr>
<td></td>
<td><div class="draggable">3</div></td>
<td></td>
</tr>
</table>
td {
border: 1px solid silver;
width: 100px;
height: 100px;
}
.draggable {
display: inline-block;
width: 25px;
height: 25px;
background: red;
cursor: pointer;
margin: 5px;
color: white;
}
$('.draggable').draggable({
containment: 'table',
stop(e, ui) {
$(this).css({
left: '',
top: '',
});
},
});
$('td').droppable({
accept: '.draggable',
drop(e, ui) {
ui.draggable.appendTo(this);
},
});