What Scripting Language Does ServiceNow Use?


Angela Bailey

ServiceNow is a powerful platform that allows organizations to automate and streamline their business processes. One of the key aspects of ServiceNow is its scripting capabilities, which enable users to enhance and customize the platform’s functionality.

But what scripting language does ServiceNow use? Let’s delve into this topic and explore the answer.

ServiceNow primarily uses JavaScript as its scripting language. JavaScript is a versatile and widely-used programming language that is well-suited for web development. It is supported by all modern browsers and has a vast ecosystem of libraries and frameworks.

Why JavaScript?

JavaScript was chosen as the scripting language for ServiceNow due to its flexibility, ease of use, and wide adoption in the industry. Being a client-side scripting language, it allows for dynamic behavior on web pages, making it an ideal choice for creating interactive user interfaces.

Moreover, JavaScript’s object-oriented nature enables developers to create reusable code components, enhancing the maintainability and scalability of ServiceNow applications. Its extensive standard library provides built-in functionalities for manipulating dates, strings, arrays, etc., reducing development time and effort.

Scripting in ServiceNow

In ServiceNow, JavaScript can be used in various contexts such as Business Rules, Client Scripts, UI Policies, Script Includes, etc. These different elements allow developers to customize different aspects of the platform based on their specific requirements.

Business Rules

Business Rules are server-side scripts that run when certain conditions are met. They allow you to define custom logic to enforce policies or automate actions within your ServiceNow instance. JavaScript code written in Business Rules can manipulate records, validate data inputs, or trigger notifications.

Client Scripts

Client Scripts are executed on the client-side (i.e., in the user’s browser), providing a way to control form behavior and validate input before it is submitted to the server. JavaScript code written in Client Scripts can dynamically show or hide fields, perform field-level validations, or display error messages.

UI Policies

UI Policies are used to dynamically change form field attributes and visibility based on predefined conditions. JavaScript can be utilized within UI Policies to control the behavior of form elements and create dynamic user experiences.

Script Includes

Script Includes are reusable JavaScript code snippets that can be shared among different scripts in ServiceNow. They provide a way to encapsulate common functionality into a single module, promoting code reuse and modularity. Script Includes are often used to encapsulate complex business logic or API integrations.

  • Benefits of JavaScript in ServiceNow:
    • Wide adoption and vast community support.
    • Ability to create interactive user interfaces.
    • Extensive standard library for efficient development.
    • Object-oriented nature for code reusability.
  • Tips for Writing JavaScript in ServiceNow:
    • Follow coding best practices to ensure readable and maintainable code.
    • Use proper error handling techniques to handle exceptions gracefully.
    • Familiarize yourself with the ServiceNow API documentation for available methods and objects.

In conclusion, ServiceNow utilizes JavaScript as its primary scripting language. JavaScript’s versatility, ease of use, and wide adoption make it an excellent choice for customizing and extending the functionality of the platform. By leveraging JavaScript’s powerful capabilities, developers can create robust and tailored solutions within ServiceNow.

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