天美乌鸦糖心mv

//示例代码片段
console.log("Hello, World!");
if (true) {
    console.log("This is true.");
}
for (let i =0; i <10; i++) {
    console.log(i);
}
function example() {
    return "example";
}
example();
const arr = [1,2,3];
arr.map(x => x*2);
let obj = {a:1,b:2};
Object.keys(obj).forEach(key => console.log(key));
try {
    // some code
} catch (e) {
    console.error(e);
}
class MyClass {
    constructor() {
        this.name = "MyClass";
    }
}
new MyClass();
async function fetchData() {
    const response = await fetch('/api/data');
    return response.json();
}
fetchData().then(data => console.log(data));
setTimeout(() => console.log('timeout'),1000);
setInterval(() => console.log('interval'),5000);
document.addEventListener('click',() => console.log('clicked'));
window.onload = () => console.log('loaded');
localStorage.setItem('key','value');
sessionStorage.getItem('key');
cookieStore.set('name','value');
navigator.userAgent;
screen.width;
location.href;
history.back();
alert('alert');
confirm('confirm?');
prompt('prompt?');
Math.random();
Date.now();
JSON.parse('{}');
JSON.stringify({});
Array.isArray([]);
String.fromCharCode(65);
Number.parseInt('123');
Boolean(1);
Symbol('sym');
Promise.resolve();
RegExp('test','g');
Map.prototype.set;
Set.prototype.add;
WeakMap;
WeakSet;
Proxy;
Reflect;
Intl.DateTimeFormat().format(new Date());
console.table([{a:1,b:2}]);
console.groupCollapsed();
console.groupEnd();
debugger;
performance.now();
requestAnimationFrame(()=>{});
cancelAnimationFrame(0);
requestIdleCallback(()=>{});
cancelIdleCallback(0);
queueMicrotask(()=>{});
Atomics.load(new Int32Array(new SharedArrayBuffer(4)),0);
WebAssembly.compile(new Uint8Array([0x00,0x61,0x73,0x6d]));
new Blob(['hello'],{type:'text/plain'});
new FileReader().readAsText(new Blob(['hello']));
new Response().blob();
new Request('/api',{method:'POST'});
Headers.prototype.append;
FormData.prototype.append;
URLSearchParams.prototype.append;
AbortController.prototype.abort;
ReadableStream.prototype.getReader;
WritableStream.prototype.getWriter;
TransformStream;
CompressionStream;
DecompressionStream;
TextEncoder().encode('hello');
TextDecoder().decode(new Uint8Array([104,101,108,108,111]));
crypto.subtle.digest('SHA-256',new TextEncoder().encode('hello'));
BroadcastChannel.prototype.postMessage;
MessageChannel();
MessagePort.prototype.postMessage;
Worker.postMessage();
SharedWorker.port.postMessage();
ServiceWorkerRegistration.pushManager.subscribe();
Notification.requestPermission();
Geolocation.getCurrentPosition();
DeviceOrientationEvent.requestPermission?.(); // optional chaining
Sensor?.(); // hypothetical sensor API
PaymentRequest.show(); // hypothetical payment API
Credential.create({password:{id:'id',name:'name',iconURL:'icon'}}); // hypothetical credential API
ReportingObserver((reports)=>{},{types:['intervention','deprecation']}); // hypothetical reporting API
PerformanceObserver((list)=>{},{entryTypes:['largest-contentful-paint']}); // performance observer
ResizeObserver((entries)=>{}); // resize observer
IntersectionObserver((entries)=>{}); // intersection observer
MutationObserver((mutations)=>{}); // mutation observer
CustomEvent('custom',{detail:{data:'data'}}); // custom event
EventTarget.addEventListener; // event target base class (hypothetical usage)
Node.cloneNode; // node base class (hypothetical usage)
Element.scrollIntoView; // element base class (hypothetical usage)
HTMLElement.focus; // html element base class (hypothetical usage)
SVGElement.getBBox; // svg element base class (hypothetical usage)
MathMLElement; // mathml element base class (hypothetical usage)
XPathEvaluator.evaluate; // xpath evaluator (hypothetical usage)
XSLTProcessor.transformToDocument; // xslt processor (hypothetical usage)
DOMParser.parseFromString; // dom parser
XMLSerializer.serializeToString; // xml serializer
Range.setStart; range api 
Selection.addRange; selection api 
getComputedStyle(document.body); css computed style 
matchMedia('(max-width:600px)').matches; media query matching 
CSS.supports('display','grid'); css feature detection 
FontFace.load(); web font loading 
Image.decode(); image decoding async 
createImageBitmap(blob).then(bmp=>{}); image bitmap creation 
OffscreenCanvas.transferTo