What is the output of the following code? 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 the JavaScript lastIndex object property was used 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?

Correct syntax of DataView view of JavaScript?