The Ultimate JavaScript Reference & Learning Guide Over 100 Certification Questions, Answers, and Explanations One cannot claim fluency as a web developer without advanced knowledge of JavaScript, however, locating user-friendly yet comprehensive sources of reference can be challenging. With JavaScript Interview Questions, Answers, and Explanations: JavaScript Certification Review, you can be in great shape to evaluate a potential job candidate, brush up on skills, or prepare for an interview. This guide will explain trouble shooting, applicability in websites and other applications, new features in 1.7, interactions with the host environment, and common errors. More than just Sun Microsystems documentation and sales pitches, this guide explains JavaScript from the perspective of the web developer so that you can evaluate a candidate or land a position with ease. Key topics include: . Changes from 1.6 to 1.7 . Methods of interaction between JavaScript engines and host environments . Uses for stylizing or designing web based user interfaces . Security . Trouble shooting for many of the browsers in common use today, for instance PDAs and mobile phones