archelon

function consoleLogFromPhp() {
  fetch("scripts/consoleLogText.php")
    .then(response => response.text())
    .then(response => console.log(response));
}

<?php
echo 'Hello World';

с какой-либо из «сторон дела»: пользователя, верстки, программирования, поисковых систем?

@media screen and (min-width: 768px) {}
@media screen and (max-width: 767px) {}

// Uses 0.02px rather than 0.01px to work around a current rounding bug in Safari.
// See https://bugs.webkit.org/show_bug.cgi?id=178261

// Demonstrate selected international locales
var locales = [
  undefined,  // Your own browser
  'en-US',    // United States
  'de-DE',    // Germany
  'ru-RU',    // Russia
  'hi-IN',    // India
  'de-CH',    // Switzerland
];
var n = 100000;
var opts = { minimumFractionDigits: 2 };
for (var i = 0; i < locales.length; i++) {
  console.log(locales[i], n.toLocaleString(locales[i], opts));
}

undefined '100 000,00'
en-US 100,000.00
de-DE 100.000,00
ru-RU 100 000,00
hi-IN 1,00,000.00
de-CH 100’000.00

const number = 123456.789;

new Intl.NumberFormat('ru-RU').format(number);
// "123 456,789"

new Intl.NumberFormat('ru-RU', { minimumFractionDigits: 6 })
  .format(123456.789012345);
// "123 456,789012" - после запятой не разделяет

function truncInteger(number, precision) {
  return number - (number % precision);
}
console.log(truncInteger(1000040, 100));
console.log(truncInteger(1200040, 100));

function roundInteger(number, precision) {
  return Math.round(number / precision) * precision;
}
console.log(roundInteger(1000040, 100));
console.log(roundInteger(1200040, 100));
console.log(roundInteger(1000080, 100));
console.log(roundInteger(1200080, 100));