typescript
npm install -g typescripttypescript
npm install -g typescripttypescript !
let a = document.getElementById('hello');
if (a) {
a.style.width = '100px';
}
! is used when you know that element cannot be null
const a = document.getElementById('hello');
a!.style.width = '100px';Copyright © 2021 Codeinu
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