zalesky

/**
 * Checks if line is crossed by rectangle
 * @param x1 most left X of rectangle
 * @param y1 most left Y of rectangle
 * @param a side length  of rectangle
 * @param b side length  of rectangle
 * @param degree is an angle to X axis
 * @param borderX - x coordinate of a line to check crossing
 * @return {boolean} Returns true if rectangle that described with params x1, y1, a, b, degree is crossing the line.
*/

zalesky

let hexToRGB = (hex, opacity) => {
	var r = parseInt(hex.slice(1, 3), 16),
		g = parseInt(hex.slice(3, 5), 16),
		b = parseInt(hex.slice(5, 7), 16);
	return opacity ? 'rgba(' + [r, g, b, opacity].join(',') + ')' : 'rgb(' + [r, g, b].join(',') + ')';
};

zalesky

let IMG_CLASS = '.slide_image';
let IMG_URL_ATTR = 'data-full';
let imgName = 0;
[...document.querySelectorAll(IMG_CLASS)].map(el => setTimeout(() => {
	let link = document.createElement('a');
	link.download = imgName++;
	link.href = el.getAttribute(IMG_URL_ATTR) || el.getAttribute('src');
	document.body.appendChild(link);
	link.click();
	document.body.removeChild(link);