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| var para = document.querySelector('p'); | |
| var mql = window.matchMedia('(max-width: 600px)'); | |
| function screenTest(e) { | |
| if (e.matches) { | |
| /* the viewport is 600 pixels wide or less */ | |
| para.textContent = 'This is a narrow screen — less than 600px wide.'; | |
| document.body.style.backgroundColor = 'red'; | |
| } else { |
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| /** | |
| * @param {Object} | |
| * @param {String} keys - Dot notation of property access | |
| */ | |
| function accessProperty(object, keys) { | |
| return keys.split('.').reduce((value, key) => value && value[key], object) | |
| } | |
| // Unknown if nested values will exist | |
| const payload = { |
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| function promiseWithTimeout(promise, timeoutTime = 5000) { | |
| return new Promise((resolve, reject) => { | |
| const timeout = setTimeout(() => reject({ | |
| message: 'timeout' | |
| }), timeoutTime) | |
| const resolveWithTimeout = (res) => { | |
| clearTimeout(timeout) | |
| resolve(res) | |
| } | |
| const rejectWithTimeout = (err) => { |
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| function validEmailFormat(email) { | |
| return email.length > 0 && /\w[@].+[.]\w{2,3}/.test(email) | |
| } |
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| const useReducer = (reducer, initState = {}) => { | |
| let state = initState; | |
| const getState = () => state; | |
| const dispatch = action => (state = reducer(state, action)); | |
| return Object.freeze({ getState, dispatch }); | |
| }; | |
| const reducer = (state, action) => { |
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| const ifMobile = () => { | |
| if( navigator.userAgent.match(/Android/i) || | |
| navigator.userAgent.match(/webOS/i) || | |
| navigator.userAgent.match(/iPhone/i) || | |
| navigator.userAgent.match(/iPod/i) || | |
| navigator.userAgent.match(/iPad/i) || | |
| navigator.userAgent.match(/BlackBerry/i) || | |
| navigator.userAgent.match(/IEMobile/i) || | |
| navigator.userAgent.match(/Opera Mini/i) | |
| ) { |
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| const reOrderArray = (array, oldIndex, newIndex) => { | |
| if ( array.length === 0 ) return array | |
| while (oldIndex < 0) { | |
| oldIndex += array.length | |
| } | |
| while (newIndex < 0) { | |
| newIndex += array.length | |
| } | |
| if (newIndex >= array.length) { | |
| var k = newIndex - array.length |
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| /* Default Variables */ | |
| $column_name : col !default; | |
| $column_before : before !default; | |
| $column_after : after !default; | |
| $max_width : 1080; // Unit in pixels | |
| $column_count : 12; | |
| $column_gutter : 15; // Unit in pixels | |
| $column_width : ($max-width / $column_count) - ($column_gutter * 2); // Unit in percentages | |
| /* Column Wrapper */ |