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@tomhicks
tomhicks / plink-plonk.js
Last active March 18, 2024 02:23
Listen to your web pages
خورشت کلم پلو کوکو دم‌پخت ماهی‌پلو قلیه ماهی آش کوفته خورشت کرفس دلمه سوپ آش غوره آش ماست آش شلغم ترش‌تره
برگ چغندر TRUE FALSE FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE TRUE FALSE FALSE FALSE FALSE
ترخون FALSE TRUE FALSE TRUE FALSE FALSE FALSE TRUE FALSE TRUE FALSE FALSE FALSE FALSE FALSE
تره TRUE TRUE TRUE TRUE FALSE FALSE TRUE TRUE FALSE TRUE TRUE TRUE TRUE TRUE FALSE
جعفری TRUE FALSE TRUE FALSE TRUE FALSE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
ریحان FALSE TRUE FALSE TRUE FALSE FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE FALSE FALSE
سیر FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
شاهی FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE FALSE
شلغم FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE FALSE
شملیز TRUE FALSE FALSE FALSE TRUE TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
@gaearon
gaearon / Classes.js
Created May 27, 2020 17:38
Beneath Classes: Prototypes
class Spiderman {
lookOut() {
alert('My Spider-Sense is tingling.');
}
}
let miles = new Spiderman();
miles.lookOut();
function partition(inputArray, callback) {
const result = {};
for (const [indexOfValue, value] of inputArray.entries()) {
const propertyKey = callback(value, indexOfValue);
if (propertyKey === null || propertyKey === '') {
continue;
}
if (!{}.hasOwnProperty.call(result, propertyKey)) {
result[propertyKey] = [];
}
@5t3ph
5t3ph / element-classes-and-ids-vanilla.css
Last active January 25, 2022 04:06
Tag HTML elements with their class names and IDs to visualize page structure
*[class],
*[id] {
position: relative;
outline: 2px dashed red;
}
*[class]::before, *[class]::after,
*[id]::before,
*[id]::after {
position: absolute;
@broofa
broofa / checkForUndefinedCSSClasses.js
Last active January 21, 2024 17:22
ES module for detecting undefined CSS classes (uses mutation observer to monitor DOM changes). `console.warn()`s undefined classes.
/**
* Sets up a DOM MutationObserver that watches for elements using undefined CSS
* class names. Performance should be pretty good, but it's probably best to
* avoid using this in production.
*
* Usage:
*
* import cssCheck from './checkForUndefinedCSSClasses.js'
*
* // Call before DOM renders (e.g. in <HEAD> or prior to React.render())
@getify
getify / 1-CalendarItem.js
Last active March 21, 2024 09:11
an illustration (non-trivial example) of many newer JS class features
// abstract class, not intended to be instantiated directly
class CalendarItem {
static #UNSET = Symbol("unset")
static #isUnset(v) {
return v === this.#UNSET;
}
static {
for (let [idx,msg] of [
"ID is already set.",
"ID is unset.",