Solved: Slug JavaScript input

Slug is a JavaScript input format that allows for the inclusion of arbitrary data in the form of key-value pairs. This can lead to problems if the data is not properly sanitized before being used in a script. For example, if a user enters a string containing malicious code into a Slug input field, that code could be executed by the script as if it were legitimate data.

 value to URL friendly string

function slug(str) {
  return str.toLowerCase().replace(/[^a-z0-9]+/g, '-').replace(/^-+|-+$/g, '');

This code converts a string to lowercase letters and replaces any non-alphanumeric characters with dashes. It also removes any dashes from the beginning or end of the string.

Print Function

In JavaScript, the print() function prints a string to the console. The string can be any valid JavaScript expression.

The print() function takes one argument: the string to be printed.


In JavaScript, strings are represented by the String class. Strings can be used to store text, and they can also be used to represent other data types.

To create a string in JavaScript, you can use the string literal syntax. For example, you can create a string that contains the text “Hello world!” using the following code:

var helloWorld = “Hello world!”;

You can also create a string by using the String constructor. For example, you can create a string that contains the text “John” using the following code:

var john = new String(“John”);

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