![JavaScript basic: Check whether a given string contains only Latin letters and no two uppercase and no two lowercase letters are in adjacent positions - w3resource JavaScript basic: Check whether a given string contains only Latin letters and no two uppercase and no two lowercase letters are in adjacent positions - w3resource](https://www.w3resource.com/w3r_images/javascript-basic-exercise-flowchart-101.png)
JavaScript basic: Check whether a given string contains only Latin letters and no two uppercase and no two lowercase letters are in adjacent positions - w3resource
![JavaScript array: Swap the case of each character of a string, upper case to lower and vice versa - w3resource JavaScript array: Swap the case of each character of a string, upper case to lower and vice versa - w3resource](https://www.w3resource.com/w3r_images/javascript-array-image-exercise-9.png)
JavaScript array: Swap the case of each character of a string, upper case to lower and vice versa - w3resource
![JavaScript basic: Change the characters (lower case) in a string where a turns into z, b turns into y, c turns into x, ..., n turns into m, m turns into n, ..., JavaScript basic: Change the characters (lower case) in a string where a turns into z, b turns into y, c turns into x, ..., n turns into m, m turns into n, ...,](https://www.w3resource.com/w3r_images/javascript-basic-image-exercise-134.png)