typescript
is a javascript in beter
typescript
npx tsc
Source: www.typescriptlang.org
typescript
it's just js with types okay just switch it's not that hard
typescript
<script src="https://cdnjs.cloudflare.com/ajax/libs/typescript/4.8.3/typescript.min.js" integrity="sha512-ipipS8Je0Nf76mSbTGMnLwgpI023wQDvAoZQ90fEJ/5eqrVs0YpfTqjsa+EX44iT5IHThlAqsgq3L1l7lwZcpQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
typescript
interface LabelledValue {
label: string;
}
function printLabel(labelledObj: LabelledValue) {
console.log(labelledObj.label);
}
let myObj = {size: 10, label: "Size 10 Object"};
printLabel(myObj);
Source: typescript.bootcss.com
typescript
Great compiler for Javascript
Source: www.typescriptlang.org
typescript
const user = {
firstName: "Angela",
lastName: "Davis",
role: "Professor"
}
console.log(user.firstName)
Property 'name' does not exist on type '{ firstName: string; lastName: string; role: string; }'.2339Property 'name' does not exist on type '{ firstName: string; lastName: string; role: string; }'.TrySource: www.typescriptlang.org
typescript
const user = {
firstName: "Angela",
lastName: "Davis",
role: "Professor",
}
console.log(user.name)
Property 'name' does not exist on type '{ firstName: string; lastName: string; role: string; }'.
Property 'name' does not exist on type '{ firstName: string; lastName: string; role: string; }'.Source: www.typescriptlang.org
typescript \!
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';Source: stackoverflow.com
TypeScript
//// content.js ////
{ // Block used to avoid setting global variables
const img = document.createElement('img');
img.src = chrome.runtime.getURL('logo.png');
document.body.append(img);
}Source: developer.chrome.com
typescript
TypeScript is a programming language developed and maintained by Microsoft.
typescript
npm run build npm run test
Source: www.npmjs.com
typescript
the pest of javascript