Created
December 2, 2017 16:31
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| // loop-recursion.js | |
| // Looping vs. Recursion | |
| // | |
| let fetch = require('node-fetch'); | |
| let url = "http://jsonplaceholder.typicode.com/comments?postId=42"; | |
| let log = console.log; | |
| let count = 0; | |
| const SIZE = 120; | |
| //Looping | |
| log('Starting the loop'); | |
| for(let i=0; i<10; i++){ | |
| log('inside loop', i); | |
| } | |
| log('Ended the loop'); | |
| //Recursion | |
| let recky = function(){ | |
| log('inside recky', count); | |
| count++; | |
| if(count<10){ | |
| recky(); | |
| } | |
| } | |
| log('Starting the recursion'); | |
| recky(); | |
| log('ending the recursion'); | |
| //Recursion for countdowns | |
| let countdown = function(size){ | |
| log('x'.repeat(size)); | |
| size = Math.floor( size * 0.95); | |
| if(size > 2){ | |
| countdown(size); | |
| } | |
| } | |
| countdown(SIZE); | |
| //Asynchronous methods | |
| // AJAX, Database, Promises, Timers... | |
| log('about to fetch'); | |
| for(let c=0; c<2; c++){ | |
| let d = fetch(url) | |
| .then(response=>response.json()) | |
| .then(data=>{ log('data', JSON.stringify(data) ) }) | |
| log(c, d); | |
| } | |
| log('after fetch???'); | |
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