| // 1 - Palindrome | |
| const palindrome = | |
| "A man, a plan, a cat, a ham, a yak, a yam, a hat, a canal-Panama!"; | |
| const nonPalindrome = "levels, manaini"; | |
| const isPalindrome = (str: string) => { | |
| const letters = str.replace(/\W/g, "").toLocaleLowerCase(); | |
| return ( | |
| letters === | |
| letters | |
| .split("") |
| export const unique = array => { | |
| if (!array.length || array.length === 1) { | |
| return array; | |
| } | |
| return array.reduce( | |
| (uniqArray, current) => | |
| !uniqArray.includes(current) ? uniqArray.concat(current) : uniqArray, | |
| [] | |
| ); |
| export default (block) => { | |
| return (element, modifiers) => { | |
| let className = block; | |
| if (element) { | |
| className = `${block}_${element}`; | |
| } | |
| if (modifiers) { | |
| for (const modifier of Object.keys(modifiers)) { |
| { | |
| "auto_close_tags": false, | |
| "bold_folder_labels": true, | |
| "color_scheme": "Packages/User/SublimeLinter/Monokai (SL).tmTheme", | |
| "copy_with_empty_selection": false, | |
| "default_line_ending": "windows", | |
| "draw_white_space": "all", | |
| "ensure_newline_at_eof_on_save": true, | |
| "find_selected_text": true, | |
| "font_face": "Hack", |
All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.
elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParentelem.clientLeft, elem.clientTop, elem.clientWidth, elem.clientHeightelem.getClientRects(), elem.getBoundingClientRect()
| function ObserverList() { | |
| this.list = []; | |
| }; | |
| ObserverList.prototype.add = function(obj) { | |
| this.list.push(obj); | |
| }; | |
| ObserverList.prototype.removeAt = function( index ){ | |
| this.list.splice( index, 1 ); |
| function shadeColor($color, $percent) { | |
| $num = base_convert(substr($color, 1), 16, 10); | |
| $amt = round(2.55 * $percent); | |
| $r = ($num >> 16) + $amt; | |
| $b = ($num >> 8 & 0x00ff) + $amt; | |
| $g = ($num & 0x0000ff) + $amt; | |
| return '#'.substr(base_convert(0x1000000 + ($r<255?$r<1?0:$r:255)*0x10000 + ($b<255?$b<1?0:$b:255)*0x100 + ($g<255?$g<1?0:$g:255), 10, 16), 1); | |
| } |
| if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ) { | |
| // some code.. | |
| } |
| /* | |
| * Useful function for random integer between [min, max]. | |
| */ | |
| function randomBetween(min, max) { | |
| return ~~(Math.random() * (max - min + 1) + min); | |
| } |
| /* | |
| * Request new frame by Paul Irish. | |
| * 60 FPS. | |
| */ | |
| window.requestAnimFrame = (function() { | |
| return window.requestAnimationFrame || | |
| window.webkitRequestAnimationFrame || | |
| window.mozRequestAnimationFrame || |