What does a "for...in" loop do?

Correct way to redirect the default login and registration page URL to a custom login and registration page URL?

Correct way to print the slug property of $firstTag object in this code snippet? $tags = wp_get_post_tags($post->ID); $firstTag = $tags[0];

Which command can change the ownership of WordPress directory to www-data (for Apache)?

Which is an example of a WordPress plugin that provides multilingual capabilities?

Which code snippet can be used to create custom POST status in wordpress 3.0 +?

Which property of a JavaScript Array object is only present in the arrays that are created by regular expression matches?

In relation to object oriented JavaScript [[Prototype]] property, which statement is correct?

What's the output? 'use strict' class Sf{ success_failure() { var a = 28, s=0, i ; for(i=1;i<=a;i++) { if(a%i==0) s=s+i; } if(s!=a*2) document.write('failure') ; else document.write('success'); } } var pj = new Sf(); pj.success_failure();

Analyze the code using the source property of Regular Expressions. What's the output?

In relation to JavaScript prototype, which method is used for returning an array of all own property names?