When toggling a variable, its cycle must be 0 and 1. When the variable's active value is 0, the next value should be 1, and when the variable's active value is 1, the next value should be 0. Considering the scenario above, which of the following is correct?

What's the output? var obj = { 'first':'first', '2':'2', '34':'34', '1':'1', 'second':'second' }; for (var i in obj) { alert(i); };

Correct way to create an XML object in E4X? A. var languages = new XML('JavaScriptPython'); B. var languages XML = new XML('JavaScriptPython'); C. var languages = JavaScript Python ;

Which will correctly detect a touchscreen device?

Which will correctly detect browser language preference?

Which code shows the correct way to detect an array that does not contain a specific value?

Which modifiers must be set if we use the Javascript lastIndex Object Property during pattern matching?

What's the output? var n=1; var a=33; var b; b = a<<4; b = a>>3; b = b + 2; while(b>=1){ n = n + b; b = b - 1; } function ab(n) { if (n < 2) { return n; } else { return ab(n - 1) + ab(n - 2); } } console.log(n + ab(9));

Which Javascript Regular Expression Character Class finds any non-digit character in a given string?

What we can use to restart the inner most loop in java script.

Which methods can accept negative indexes?