for loop on a array
var array = [1, 2, 3, 4, 5]; // made an array for (var i = 0; array[i]; i++) // browse your array with this simple condition on index console.log('element '+i+' = '+array[i]); //output: element 0 = 1 element 1 = 2 element 2 = 3 element 3 = 4 element 4 = 5
how to cycle through an array js
// Requiring the lodash library // src: https://lodash.com/docs/4.17.15#forEach // console: npm i --save lodash const _ = require("lodash") // Use of _.forEach() method _.forEach([1, 2], function(value) { console.log(value) }); // => Logs `1` then `2`. // traversing an object _.forEach({ 'a': 1, 'b': 2 }, function(value, key) { console.log(key) }) // => Logs 'a' then 'b' (iteration order is not guaranteed). //////////////// To not use lodash //////////////// // src: https://developer.mozilla.org/pt-BR/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach function logArrayElements(element, index, array) { console.log("a[" + index + "] = " + element) } [2, 5, 9].forEach(logArrayElements) // logs: // a[0] = 2 // a[1] = 5 // a[2] = 9
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