JavaScript

The Problem: Accessing User Information Client-Side Client-side code in SharePoint has limited permissions, making accessing user information difficult. Solutions require custom permissions, server-side code, or complex workarounds. A Simple Solution: The SP.UserProfiles JavaScript Object SP.UserProfiles provides easy access to basic user information. It allows retrieving current user data like login name, email, etc. SP.UserProfiles works…

Overview of External Authentication in SharePoint Online SharePoint Online supports federated authentication workflows to enable users from external identity providers like Azure AD, ADFS, and third-party authentication providers to securely access SharePoint resources. The key capabilities offered are: Ability to configure SharePoint Online tenant to federate with external providers using standard protocols like WS-Federation, SAML…

Understanding SharePoint Online Authentication SharePoint Online uses various authentication methods to verify user identities and enable secure access to resources. Common authentication options include OAuth 2.0 and OpenID Connect flows, integrated Windows authentication, and forms-based authentication. These authentication mechanisms can contain vulnerabilities if not properly implemented. Attackers may attempt to intercept tokens, exploit configuration issues,…

Common Causes of Authentication Errors When using JavaScript to access the SharePoint Online REST APIs or other resources, developers may encounter various authentication-related errors that prevent successful requests. Understanding the common causes of these authentication errors can help troubleshoot and resolve issues. Expired Access Tokens SharePoint Online uses OAuth access tokens to authenticate and authorize…

Understanding the Core Authentication Challenges When implementing authentication in SharePoint Online using JavaScript, developers face several common pitfalls that can compromise user experience and security. The main challenges include: Obtaining improper authentication scopes that limit access to SharePoint resources Dealing with expiring access tokens that require users to re-authenticate frequently Handling CORS issues when making…

The Problem: Limited JavaScript Execution in SharePoint SharePoint pages traditionally only execute JavaScript code during the initial page load process. There is no built-in way to run additional JavaScript functions on demand after the page has loaded. This limited execution model is problematic for developers who want to build dynamic SharePoint solutions. With no ability…

What is JavaScript and Why Use It in SharePoint JavaScript is a programming language that enables dynamic interactivity and client-side scripting on websites and applications. With JavaScript, developers can create custom functions that execute in the user’s web browser instead of on the web server. This allows for responsive experiences without needing to reload pages….

When users submit or save SharePoint forms, it is often necessary to redirect them to a new page after the operation completes. Redirecting to a confirmation page or back to a list view can help avoid disorienting the user and losing the context and data they have entered if the form simply closes. The Problem…

The Core Problem of Inconsistently Rendered Web Parts A common frustration for SharePoint Online administrators and page editors is getting custom JavaScript (JS) and Cascading Style Sheets (CSS) to consistently load and apply across page layouts. Despite carefully adding script editor or content editor web parts to pages, the imported JS and CSS files often…

What is Custom JavaScript? Custom JavaScript refers to any JavaScript code that is manually inserted into SharePoint pages to modify or enhance default functionality. This includes JavaScript inserted through content editor web parts, script editor web parts, or directly using other web parts’ script injection capabilities. Common uses of custom JavaScript in SharePoint include: Dynamically…