print('\n'.join(f'{k}: {v}' for k, v in collections.Counter(selled).items()))
arr.map(n => {
const ids = Object
.values(n.childrenHash.reduce((acc, m) => ((acc[m.hash] ??= []).push(m.id), acc), {}))
.filter(m => m.length > 1);
return {
...n,
childrenHash: ids.length ? ids : null,
};
})
const table = document.querySelector('здесь селектор вашей таблицы');
const className = 'active';
table.querySelectorAll('tbody td').forEach(td => {
td.classList.toggle(className, !td.textContent.trim());
});
for (const { rows } of table.tBodies) {
for (const { cells } of rows) {
for (const td of cells) {
if (/^\s*$/.test(td.innerText)) {
td.classList.add(className);
}
}
}
}
props: { user: String }, emits: ["update:someUser"]
- emits: ["update:someUser"]
+ emits: ["update:user"]
- @input="$emit('update:someUser', $event.target.value)"
+ @input="$emit('update:user', $event.target.value)"
const sumIntervals = intervals => intervals
.slice()
.sort((a, b) => a[0] - b[0])
.reduce((acc, n) => {
const top = acc.at(-1);
if (!top || top[1] < n[0]) {
acc.push([...n]);
} else if (top[1] < n[1]) {
top[1] = n[1];
}
return acc;
}, [])
.reduce((acc, n) => acc - n[0] + n[1], 0);
const where = '.container';
const what = '.wrapper-item h3';
$(where).prepend(function() {
return $(what, this);
});
document.querySelectorAll(where).forEach(n => {
const el = n.querySelector(what);
n.prepend(el);
// или
n.insertBefore(el, n.firstChild);
// или
n.insertAdjacentElement('afterbegin', el);
// или
n.firstChild.replaceWith(el, n.firstChild);
// или
n.replaceChildren(el, ...n.childNodes);
});
const index = 1;
const className = 'active';
navigation.children[index]?.classList.add(className);
navigation.innerHTML = objectNavigation
.map((n, i) => `
<div class="${i === index ? className : ''}">
<img src="${n.image}">
</div>`)
.join('');
navigation.append(...objectNavigation.map((n, i) => {
const div = document.createElement('div');
const img = document.createElement('img');
img.src = n.image;
div.append(img);
div.classList.toggle(className, i === index);
return div;
}));
for (const [ i, n ] of objectNavigation.entries()) {
navigation.appendChild(document.createElement('div'));
navigation.lastChild.appendChild(new Image);
navigation.lastChild.lastChild.src = n.image;
navigation.lastChild.className = i === index ? className : '';
}
data: () => ({
items: [
{ text: '69', tooltip: 'hello, world!!' },
{ text: '187', tooltip: 'fuck the world' },
{ text: '666', tooltip: 'fuck everything' },
],
}),
<div
v-for="n in items"
v-text="n.text"
:data-tooltip="n.tooltip"
class="item"
></div>
.item {
display: inline-flex;
justify-content: center;
align-items: center;
color: white;
background: red;
width: 150px;
height: 50px;
margin: 10px;
position: relative;
}
.item:hover::before {
content: attr(data-tooltip);
display: inline-block;
background: blue;
color: white;
position: absolute;
}
computed: {
filteredWorks() {
const category = this.tabs.find(n => n.id === this.activeTabId)?.category;
return category равна той, что у 'Все работы'
? this.works
: this.works.filter(n => n.category === category);
},
<div class="articles__items articles__items--works">
<img v-for="n in filteredWorks" :key="n.id" :src="n.image">
</div>
tabs: [ { id: '1', name: 'Все работы', category: 'doors' }, { id: '2', name: 'Окна', category: 'windows' }, { id: '3', name: 'Двери', category: 'doors' },
props: { spawns: Boolean
data() { return { play: false, active: false, prepare: false, spawns: {
<div class="hr">
<div class="logo">
<div class="icon">
const classes = {
Class1: class {
constructor(val) {
this.val = val;
}
method1() {
console.log('Class1', this.val);
}
},
Class2: class {
constructor(val1, val2) {
this.val1 = val1;
this.val2 = val2;
}
method2() {
console.log('Class2', this.val1, this.val2);
}
},
};
function createInstanceAddCallMethod(className, constructorParams, methodName) {
const instance = new classes[className](...constructorParams);
instance[methodName]();
}
createInstanceAddCallMethod('Class1', [ 69 ], 'method1');
createInstanceAddCallMethod('Class2', [ 187, 666 ], 'method2');
const newArray = numbers.filter(i => i !== firstMin);
function sumTwoSmallestNumbers(nums) {
const iMin = nums.indexOf(Math.min(...nums));
return nums[iMin] + Math.min(...nums.filter((_, i) => i !== iMin));
}
const sumTwoSmallestNumbers = ([...nums]) => nums
.sort((a, b) => b - a)
.slice(-2)
.reduce((acc, n) => acc + n, 0);
function sumTwoSmallestNumbers(nums) {
const count = Object.entries(nums.reduce((acc, n) => (acc[n] = -~acc[n], acc), {}));
return +count[0][0] + +count[+(count[0][1] === 1)][0];
}
function sumTwoSmallestNumbers(nums) {
let min1 = Infinity;
let min2 = Infinity;
for (const n of nums) {
if (n < min1) {
[ min1, min2 ] = [ n, min1 ];
} else if (n < min2) {
min2 = n;
}
}
return min1 + min2;
}
// или
const sumTwoSmallestNumbers = nums =>
eval(nums.reduce(([ min1, min2 ], n) =>
n < min1 ? [ n, min1 ] :
n < min2 ? [ min1, n ] :
[ min1, min2 ]
, [ Infinity, Infinity ]).join('+'));
$grouped = array_map(function($n) {
for ($i = 1; $i < count($n); $i++) {
$min = min($n[$i]);
$max = max($n[$i]);
$n[$i] = ($min === $max) ? $min : "$min-$max";
}
return $n;
}, array_values(array_reduce($arr, function($acc, $n) {
$acc[$n[0]] ??= [ $n[0] ];
for ($i = 1; $i < count($n); $i++) {
$acc[$n[0]][$i][] = $n[$i];
}
return $acc;
}, [])));