print:
(i=0,f=_=>i<10&&(console.log(i++),f``))``

concat:
(s='',i=0,f=_=>i<10&&(s+=i++,f``),f``,s)

timeout:
void function f(i){i<5&&setTimeout(f,0,i+1,console.log(i))}(0)

comma:
(f=i=>(i<5&&(console.log(i),f(i+1)),0))(0)

getter:
({get n(){for(var i=0;i<5;)console.log(i++)}}).n

proxy:
(p=new Proxy([],{get:(t,k)=>k<5?(console.log(+k),p[+k+1]):0}))[0]

reflect:
new Proxy([],{get:(t,k,r)=>k<5?(console.log(+k),r[+k+1]):0})[0]

symbol.toPrimitive:
+{i:0,[Symbol.toPrimitive](){return this.i<5?(console.log(this.i++),+this):0}}

toString:
''+{i:0,toString(){return this.i<5?(console.log(this.i++),this+''):''}}

replace:
'xxxxx'.replace(/x/g,(_,i)=>console.log(i))

array:
[...Array(10)].map((_,i)=>console.log(i))

error stack:
(f=i=>{try{if(i<5)throw i}catch(e){console.log(e),f(e+1)}})(0)

symbol.iterator: (no generators)
[...{*[Symbol.iterator](){for(let i=0;i<5;)yield console.log(i++)}}]

promise:
void async function f(i){i<5&&await f(i+1,console.log(i))}(0)

sloppy with:
with({i:0}){while(i<5)console.log(i++)}

batman:
Array(16).join('wat' - 1) + ' Batman!';

banana:
('b' + 'a' + + 'a' + 'a').toLowerCase()

sentient window loop:
(i=0,w=new Proxy(window,{get:(t,k)=>k==='window'?(console.log(i++),w):t[k]}))
w.window.window.window.window.window.window