input type email react js-validation

function Fibonacci(num){ var before = 0; var actual = 1; var next = 1; for(let i = 0; i < num; i++){ console.log(next) before = actual + next; actual = next next = before } } Fibonacci(100); Here is what the above code is Doing: 1. We create a variable called before, actual and next....

case ADD_ITEM : return { …state, arr: […state.arr, action.newItem] } Here is what the above code is Doing: 1. We’re creating a new array, and we’re spreading in the old array. 2. We’re adding the new item to the end of the array. 3. We’re returning the new array.

import dynamic from ‘next/dynamic’ const DynamicComponentWithNoSSR = dynamic(() => import(‘../components/List’), { ssr: false }) export default () => Here is what the above code is Doing: 1. We are importing the dynamic function from next/dynamic. 2. We are using the dynamic function to import the List component. 3. We are passing the ssr: false option…

String.substring(0, 2); //Return the first two characters of the string //First parameter is the starting index, 0 corresponding to the first character //Second parameter is the number of character to return Here is what the above code is Doing: 1. We create a variable called myString and assign it the value of “Hello World” 2….

const arr = [14, 58, 20, 77, 66, 82, 42, 67, 42, 4] const min = arr.reduce((a, b) => Math.min(a, b)) console.log(min) Here is what the above code is Doing: 1. We’re using the reduce method to iterate over the array. 2. We’re using the Math.min method to compare the current value with the next…

Linking.openURL(‘mailto:support@example.com’) } title=”support@example.com” /> With subject and body: Linking.openURL(‘mailto:support@example.com?subject=SendMail&body=Description’) } title=”support@example.com” /> Here is what the above code is Doing: 1. We are importing the Linking API from react-native. 2. We are creating a button with onPress event. 3. We are calling the Linking API openURL method by providing the required URL. 4. We are…