Structural design patterns patterns look at optimized or more controlled mechanisms of object creation

Correct JavaScript syntax to change the content of next HTML element? This is a sample text.

What's the output? function checkFun() { console.log(res); let res = 5000; }

What options are types of declarations in JavaScript?

What is the value of 'n1' and 'n2' after executing the following code? var str = 'Finding foo in Foo and Bar'; var nl = str.search('Foo'); var n2 = str.search(/Foo/i);

The second control statement in a for loop usually:

Which is not a bitwise operator

What's the output? (function(a){ return function(b){ return function(c){ console.log(a + b, c); } } })(1)(2)(3)

var obj1 = {}; var obj2 = {}; What is the value of (obj1 === obj2)

Which is not a built-in object constructor?

What will the expression a === b return after the following? var a = {'foo': 'bar' }; var b = { 'foo': 'bar' };