PriymakVl

## gulp.html

<!-- install plagins -->
npm install --save-dev <name-plagins>

<!-- rename file -->
gulp-rename
gulp-sass
<!-- добавляет префиксы производителей -->
gulp-autoprefixer
gulp-sourcemaps

## validation.js
const isNotEmpty = fieldName => fieldValue => fieldValue.trim().length > 0 || fieldName[0].toUpperCase() + fieldName.slice(1) + ' is required.';

const fieldName = isNotEmpty('name');
let isValid = fieldName('David');
console.log(isValid); // true
isValid = fieldName('');
console.log(isValid); // Name is required

## validate.js
const validateEmail = email => /^[^@ ]+@[^@ ]+\.[^@ \.]+$/.test(email);
const isValidEmail = function(value) {
    if (validateEmail(value)) {
        return true;
    } else {
        return "Please enter a valid email address";
    }
}

let isValid = isValidEmail('abc@gmail.com');

## yii.php
<?php

$js = <<< JS
alert("okey!");
JS;

$this->registerJs( $js, $position = yii\web\View::POS_READY, $key = null );

 // $key - ключ, который идентифицирует кодовый блок JS.
?>

## menu.html
<link rel="stylesheet" href="css/animate.css">

<ul class="menu">
	<li class="active"><a href="#">Home</a></li>
	<li><a href="#">About Us</a></li>
	<li><a href="#" class="arrow">Drop Down</a>
		<ul class="submenu">
			<li><a href="#">Drop Down 1</a></li>
			<li><a href="#">Drop Down 1</a></li>
			<li><a href="#">Drop Down 1</a></li>

## bootstrap.html
<!doctype html>
<html lang="en">
  <head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">

## request.js
function get_params_url(param_name = false)
{
    var search = window.location.search.substr(1),
    params = {};
    if (search == '') return false;
    search.split('&').forEach(function(item) {
        item = item.split('=');
        params[item[0]] = item[1];
    });
    if (param_name) return params[param_name];

## trim.php
<?php

trim($string, ',');

rtrim();
ltrim();

## foreach.js

array.forEach(callbackFunction, [, thisArg]);
// thisArg is optional

//arguments for callback
FunctioncallbackFunction(item, index , array) {
//index, array is optional}


## svg.html
<!-- circle -->
<svg width="100" height="100">
  <circle cx="50" cy="50" r="40" stroke="green" stroke-width="4" fill="yellow" />
</svg>

<!-- rect -->
<svg width="400" height="100">
  <rect width="400" height="100" style="fill:rgb(0,0,255); stroke-width:10; stroke:rgb(0,0,0)" />
</svg>

	<!-- install plagins -->
	npm install --save-dev <name-plagins>

	<!-- rename file -->
	gulp-rename
	gulp-sass
	<!-- добавляет префиксы производителей -->
	gulp-autoprefixer
	gulp-sourcemaps
	const isNotEmpty = fieldName => fieldValue => fieldValue.trim().length > 0 \|\| fieldName[0].toUpperCase() + fieldName.slice(1) + ' is required.';

	const fieldName = isNotEmpty('name');
	let isValid = fieldName('David');
	console.log(isValid); // true
	isValid = fieldName('');
	console.log(isValid); // Name is required
	const validateEmail = email => /^[^@ ]+@[^@ ]+\.[^@ \.]+$/.test(email);
	const isValidEmail = function(value) {
	if (validateEmail(value)) {
	return true;
	} else {
	return "Please enter a valid email address";
	}
	}

	let isValid = isValidEmail('abc@gmail.com');
	<?php

	$js = <<< JS
	alert("okey!");
	JS;

	$this->registerJs( $js, $position = yii\web\View::POS_READY, $key = null );

	// $key - ключ, который идентифицирует кодовый блок JS.
	?>
	<!doctype html>
	<html lang="en">
	<head>
	<!-- Required meta tags -->
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

	<!-- Bootstrap CSS -->
	<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
	function get_params_url(param_name = false)
	{
	var search = window.location.search.substr(1),
	params = {};
	if (search == '') return false;
	search.split('&').forEach(function(item) {
	item = item.split('=');
	params[item[0]] = item[1];
	});
	if (param_name) return params[param_name];

	array.forEach(callbackFunction, [, thisArg]);
	// thisArg is optional

	//arguments for callback
	FunctioncallbackFunction(item, index , array) {
	//index, array is optional}
	<!-- circle -->
	<svg width="100" height="100">
	<circle cx="50" cy="50" r="40" stroke="green" stroke-width="4" fill="yellow" />
	</svg>

	<!-- rect -->
	<svg width="400" height="100">
	<rect width="400" height="100" style="fill:rgb(0,0,255); stroke-width:10; stroke:rgb(0,0,0)" />
	</svg>