![JavaScript basic: Create a new string from a given string with the first character of the given string added at the front and back - w3resource JavaScript basic: Create a new string from a given string with the first character of the given string added at the front and back - w3resource](https://www.w3resource.com/w3r_images/javascript-basic-image-exercise-24.png)
JavaScript basic: Create a new string from a given string with the first character of the given string added at the front and back - w3resource
![JavaScript: Create a function that creates and returns a function; function not defined error - Stack Overflow JavaScript: Create a function that creates and returns a function; function not defined error - Stack Overflow](https://i.stack.imgur.com/g2Uph.png)
JavaScript: Create a function that creates and returns a function; function not defined error - Stack Overflow
![SOLVED: Hey, how do I create a function which receives one argument (string)? The function would count and return the number of alphanumeric characters found in that string. function('abc 5 =+;d 9') // SOLVED: Hey, how do I create a function which receives one argument (string)? The function would count and return the number of alphanumeric characters found in that string. function('abc 5 =+;d 9') //](https://cdn.numerade.com/project-universal/previews/17aacaa5-e05e-433d-8751-b5407afa2f05.gif)