negative reciprocal javascript

function remove(elem){ elem.parentNode.removeChild(elem); } click Here is what the above code is Doing: 1. We create a div element with an id of “i” and an onclick event that calls the remove function. 2. The remove function takes an element as a parameter. 3. The remove function removes the element from the DOM.

function firstDuplicate(a) { let data = []; for (dup of a) { if (data[dup]) { return dup } else { data[dup] = dup } } return -1 } Here is what the above code is Doing: 1. We create an empty array called data. 2. We loop through the array a. 3. If the value…

this.$http.patch(“url”, change) .then(response => console.log(response)) Here is what the above code is Doing: 1. We’re using the $http service to make a PATCH request to the url. 2. We’re passing the change object as the data to be sent to the server. 3. We’re logging the response to the console.

const rateLimit = require(‘express-rate-limit’); const limiter = rateLimit({ max: 100, windowMs: 60 * 60 * 1000, message: ‘too many requests sent by this ip, please try again in an hour !’ }); app.use(”, limiter); // eg: app.use(‘/api’, limiter); Here is what the above code is Doing: 1. We are using the rate-limit package to limit…

console.log(“string”) Here is what the above code is Doing: 1. We’re creating a variable called “name” and assigning it the value of “John”. 2. We’re creating a variable called “age” and assigning it the value of “21”. 3. We’re creating a variable called “isCool” and assigning it the value of “true”. 4. We’re creating a…

yourArray.sort(function() { return 0.5 – Math.random() }); Here is what the above code is Doing: 1. The sort() method sorts the elements of an array in place and returns the sorted array. 2. The sort() method sorts the elements of an array according to the callback function. 3. The callback function defines the sort order….