Best Cheat Sheet:
https://websitesetup.org/wp-content/uploads/2020/09/Javascript-Cheat-Sheet.pdf

Finally found out JavaScript Cheatsheet in PDF format :)
Check this 4 JavaScript Cheatsheet in PDF format:
https://buggyprogrammer.com/cheat-sheet-for-javascript

if ((age >= 14) && (age < 19)) { // logical condition
status = "Eligible."; // executed if condition is true
} else { // else block is optional
status = "Not eligible."; // executed if condition is false
}

<script type="text/javascript">
//JS code goes here
</script>

.every(n => ...) => Boolean // ie9+
.some(n => ..) => Boolean // ie9+

//get cheatsheet of other languages too
https://github.com/LeCoupa/awesome-cheatsheets/blob/master/languages/javascript.js
https://github.com/mbeaudru/modern-js-cheatsheet

.find(n => ...) // es6
.findIndex(...) // es6

// before -- [_,_,NEW,REF,_,_]
list.splice(list.indexOf(REF), 0, NEW))

document.getElementById("elementID").innerHTML = "Hello World!";

/* Convenient interactive cheat sheet */ 'https://htmlcheatsheet.com/js/'
/* PDF VERSION */'https://websitesetup.org/wp-content/uploads/2020/09/Javascript-Cheat-Sheet.pdf'