what is es11
let flowers = ['lily', 'daisy', 'rose']
console.log(flowers[1]) // daisy
flowers = null
console.log(flowers[1]) // TypeError: Cannot read property '1' of null
console.log(flowers?.[1]) // undefined
console.log(flower.species?.lily) // undefined
Also in JavaScript:
- const in javascript
- javascript test if it is an array
- access method globally js
- check a string for unique characters javascript
- react native cover image in parent view
- react file input
- on load javascript
- react router not working with aws amplify
- Javascript singly linked list
- Add table row in jQuery
- jstree select all visible node only
- how can node js file be serve
- multiline textinput in react native
- how to count duplicates in an array javascript
- mongoose sparse index
- joi in node and express
- document.queryselector picks first or last
- dart map to json string
- How do you call a functional component in React
- three js cdn
- math js
- jQuery check a radio button
- what does componentDidCatch do in react
- javascript submit form when enter key pressed