Hitesh Kumar hk-skit

This content moved here: https://exploringjs.com/impatient-js/ch_arrays.html#quickref-arrays

Scrabs from : https://gist.github.com/jsturgis/3b19447b304616f18657

Strings

`String.prototype.*`

None of the string methods modify this – they always return fresh strings.

charAt(pos: number): string ^ES1

Returns the character at index pos, as a string (JavaScript does not have a datatype for characters). str[i] is equivalent to str.charAt(i) and more concise (caveat: may not work on old engines).

Note:

When this guide is more complete, the plan is to move it into Prepack documentation.
For now I put it out as a gist to gather initial feedback.

A Gentle Introduction to Prepack (Part 1)

If you're building JavaScript apps, you might already be familiar with some tools that compile JavaScript code to equivalent JavaScript code:

Babel lets you use newer JavaScript language features, and outputs equivalent code that targets older JavaScript engines.

	function logColor(color, args) {
	console.log(`%c ${args.join(' ')}`, `color: ${color}`);
	}

	const log = {
	aliceblue: (...args) => { logColor('aliceblue', args)},
	antiquewhite: (...args) => { logColor('antiquewhite', args)},
	aqua: (...args) => { logColor('aqua', args)},
	aquamarine: (...args) => { logColor('aquamarine', args)},
	azure: (...args) => { logColor('azure', args)},

	// Array hug, one array hugs the other
	// If the hugger is odd numbered, more in the front
	Array.prototype.hug = function(arr){
	let hugged = this.slice(0,Math.ceil(this.length/2));
	hugged.push(...arr);
	hugged.push(...this.slice(Math.ceil(this.length/2), this.length));
	return hugged;
	}

	// Array spoon, one array spoons the other

	<!DOCTYPE html>
	<meta charset=utf-8>
	<meta name=viewport content="width=device-width, initial-scale=1">
	<title>#merryCSSmas bundle</title>

	<style>
	* {
	box-sizing: border-box;
	text-rendering: optimizeLegibility;
	-webkit-font-smoothing: antialiased;

	class State {
	constructor(display, actors) {
	this.display = display;
	this.actors = actors;
	}

	update(time) {

	/**
	* provide an update ID to let actors update other actors only once