Shaofei Cheng wintercn
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| const fib = n => n === 0 ? [0, 1] : | |
| n % 2 ? (([a, b]) => [b, a + b])(fib(n - 1)) : | |
| (([a, b]) => [a * b + a * (b - a), a * a + b * b])(fib(n / 2)); | |
| Array(10).fill(0).map((v, n) => fib(n)[0]) |
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| function* primes(){ | |
| let primes = []; | |
| let i = 1; | |
| outer:while(true) { | |
| ++ i; | |
| for(let p of primes) | |
| if(p % i === 0) | |
| continue outer; | |
| primes.push(i); | |
| yield i; |
wintercn
/ parseTree.html
Created
May 12, 2021 11:30
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| <body> | |
| <style> | |
| .number { | |
| color:purple; | |
| } | |
| .keyword { | |
| color:blue; | |
| } | |
| .string { | |
| color:red; |
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| const categories = [ | |
| {id:'animals', parent:null}, | |
| {id:'mammals', parent:'animals'}, | |
| {id:'cats', parent:'mammals'}, | |
| {id:'dogs', parent:'mammals'}, | |
| {id:'chihuahua', parent:'dogs'}, | |
| {id:'labrador', parent:'dogs'}, | |
| {id:'persian', parent:'cats'}, | |
| {id:'siamese', parent:'cats'}, | |
| ] |
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| /** | |
| * Definition for singly-linked list. | |
| * function ListNode(val) { | |
| * this.val = val; | |
| * this.next = null; | |
| * } | |
| */ | |
| /** | |
| * @param {ListNode} head | |
| * @param {number} k |
wintercn
/ vue-map-editor.html
Last active
November 27, 2019 16:17
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| <body style="margin:0;"> | |
| <div id="app" style="position:relative;width:100%;height:100%;"> | |
| </div> | |
| <script src="https://cdn.jsdelivr.net/npm/vue"></script> | |
| <script> | |
| Vue.component('local-storage', { | |
| props: ['value', 'key'], | |
| template: `<div></div>`, | |
| mounted(){ | |
| if(!localStorage[this.$props.key]) |
wintercn
/ vue-local-storage.js
Created
November 25, 2019 18:04
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| Vue.component('local-storage', { | |
| props: ['value', 'key'], | |
| template: `<div></div>`, | |
| mounted(){ | |
| if(!localStorage[this.$props.key]) | |
| return; | |
| var str = JSON.stringify(this.$props.value); | |
| if(str != localStorage[this.$props.key]) | |
| this.$emit('input', JSON.parse(localStorage[this.$props.key])) | |
| }, |
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| <meta charset="utf-8"> | |
| <body style="text-align:center"> | |
| <canvas width="1000" height="1000" style="background:black;margin:auto;"> | |
| </canvas> | |
| <script src="tang.js"> | |
| </script> | |
| </body> |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| <style> | |
| .ball { | |
| width:10px; | |
| height:10px; |
wintercn
/ editor.html
Created
March 12, 2019 19:39
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| <a href="javascript:void 0;">abc</a> | |
| <div id="editor" contentEditable="true" style="white-space:pre;"> | |
| abc | |
| </div> | |
| <div id="editor2" contentEditable="true" style="white-space:pre;"> | |
| abc |
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