Which of the following methods can accept negative indexes?

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

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

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

Which will correctly detect browser language preference?

Which will correctly detect a touchscreen device?

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 ;

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

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?