醉扶**扶归上传4KB文件格式zipselectstringrandomarrayitem randpick.js 从数组和字符串中获取随机项。 安装 $ npm install randpick.js 用法 const randpick = require ( 'randpick.js' ) ; const emoji_array = [ ':bug:' , ':snail:' , ':hatching_chick:' , ':turtle:' , ':shark:' , ':sp...
Pick random items from an array within given weights. Latest version: 1.0.6, last published: 2 years ago. Start using random-pick-js in your project by running `npm i random-pick-js`. There are no other projects in the npm registry using random-pick-js.
import { RandomPicker } from '@mxssfd/random-picker'; const picker = new RandomPicker([1, 2]); // pick 1个 const v1 = picker.pick(); // 随机从1,2中选中一个,每个选项选中的几率是50% // pick多个 const v2 = picker.pick(2); // 随机选中2个,可能会出现重复的 const v3 = picker...
const sample = arr => arr[Math.floor(Math.random() * arr.length)]; // sample([3, 7, 9, 11]) -> 9 27、shuffle 随机数组值的顺序。 使用Array.sort()可在比较器中使用Math.random()重新排序元素。 const shuffle = arr => arr.sort(() => Math.random() - 0.5); // shuffle( [1,2...
// 引入mock模块constMock=require('mockjs');// 随机方法constRandom=Mock.Random;// 使用Random , 更多方法 http://mockjs.com/examples.html#Random\.cname\(\)// 随机一个名字letname =Random.name();// 随机一个图片 size = ['300x250'];letsize = ['300x250','250x250','240x400','336...
number (Number): The element number to pick, defaut value is a random number between [1,array.length).Returns (Array): A random subset of the array.ExampleJSrandom.sample("abcdefg"); //=>["b", "e", "c", "a", "d", "f", "g"] JSrandom.sample([0,2,3,5,2,...
r.pick(array[, begin[, end]]): Return a random value within the providedarraywithin the sliced bounds ofbeginandend. r.shuffle(array): Shuffle the providedarray(in-place). Similar to.sort(). r.sample(population, sampleSize): From thepopulationarray, produce an array withsampleSizeelements...
简单一点 const placeWordFromList = function() { let randWord = moduleOneArray[Math.floor(Math.random() * moduleOneArray.length)]; console.log(randWord); if(usedModuleOneWords.length >= moduleOneArray.length){ console.log('All words are used!'); } else if(usedModuleOneWords.indexOf(ran...
random=1" alt="">
array field atomically // $push inserts new elements at the end of the array db.update({ _id: 'id6' }, { $push: { fruits: 'banana' } }, {}, function () { // Now the fruits array is ['apple', 'orange', 'pear', 'banana'] }); // $pop removes an element from the ...