However, when using the in operator, caution must be exercised as it checks all prototypes in the chain. Declaring a variable using the “var” keyword is full-stack developer similar to the first method. Variables declared this way have global or function scope and lack block scope, which is a disadvantage. They have block scope, meaning…

A history of effective leadership roles in high-performing units is viewed as a key indicator of a candidate’s suitability for the CEO position. CEO job searches often look for a candidate’s ability to navigate complex challenges, drive growth and work well with people. You can develop these skills through on-the-job experiences, leadership training programs, and…