Correct Answer: true
Explanation:
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What's the output? var Apple = function() { var color = 'green'; var apple = { picked:false, pick: function() { this.picked = true; console.log (color); color = 'yellow'; }, change: function() { this.color = Math.random() > 0.5 ? 'yellow':'red'; } }; return apple; } var a = Apple(); a.pick(); console.log (a.color);
function foo() { this = 'foo'; } var a = foo(); What will the preceding code produce?
Values of x and y after the invocation of `foo` in following? var x = 'I am global x'; var y = 'I am global y'; function foo() { var y = x = 'Hello from foo'; } foo();
What will this code produce: +new Date()
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What's the output? var x = [typeof x, typeof y][1]; console.log(typeof typeof x);
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What is JavaScript?
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Which statement about Promises is not correct?