What is actionRegion in Salesforce?

actionRegion provides an area of a Visualforce page that decides and separates which components should be processed by the force.com server when an AJAX request is generated. Only the components which are inside actionregion component are processed by server, so it increases visualforce page performance.

What is action function and action support in Salesforce?

ActionFunction allows us to call the server side Apex method from the JS in the VisualForce Page. whereas ActionSupport adds AJAX support to another component, allowing the component to be refreshed asynchronously by the server when a particular event occurs, such as a button click or mouseover.

What is action function Salesforce?

Action Function is used in the Visualforce page to call the Service Side method using JavaScript and does not add the Ajax Request before calling the Controller method.

What is the use of Apex action status?

A component that displays the status of an AJAX update request. An AJAX request can either be in progress or complete. Use this component to get user input for a controller method that does not correspond to a field on an sObject.

What is difference between insert and include?

INSERT is a newer, more powerful and flexible alternative to INCLUDE . Files included with INCLUDE must always adhere to batch syntax rules, and command processing stops when the first error in an included file is encountered.

How can you implement JavaScript in your VF pages?

Module 9: Using JavaScript in Visualforce Pages

1. Step 1: Create the Hotel Object. In Setup, select Build > Create > Objects.
2. Step 2: Create the HotelRemoter Controller.
3. Step 3: Create a Visualforce Page with Google Maps.
4. Step 4: Display the Hotels on the Map.

What is Apex facet?

A placeholder for content that’s rendered in a specific part of the parent component, such as the header or footer of an . Use this component to get user input for a controller method that does not correspond to a field on an sObject.

What is facet in Apex?

What is ViewState in Salesforce?

View state holds the state of Visual force page. The view state of a web page is composed of all the data that’s necessary to maintain the state of the controller during server requests (like sending or receiving data).

What is the full meaning of insert?

1 : to put or thrust in insert the key in the lock. 2 : to put or introduce into the body of something : interpolate insert a change in a manuscript. 3 : to set in and make fast especially : to insert by sewing between two cut edges. 4 : to place into action (as in a game) insert a new pitcher.

How JavaScript is used in Salesforce?

Using JavaScript in Visualforce Pages Customize the functionality of your Visualforce pages. Pass parameters to the JavaScript, show pop-ups, confirm messages, etc. Display Visualforce page validation messages as pop-ups. Call controller methods from JavaScript.

Why do we need JavaScript in Salesforce?

JavaScript has always been available to Salesforce developers, After Lightning Component and Lightning Web Components, it is important language for Salesforce Developer. That means it’s time for every Salesforce developer to learn JavaScript.

What is ViewState in salesforce?

Why do we use remote action in salesforce?

Remote action function in salesforce allows user to access any method from any class through javasrcipt methods, and get the result as a javascript object for further manipulation.

How do I ReRender a VF page?

ReRender is used to refresh a particular section of the visual force page. We have to just mention the id of the page section (in the ReRender attribute) that needs to be refreshed. In the following example Clicking of the command button “Refresh Lower Page Block” refreshes the lower page block.

How do I use Apex repeat?

apex:repeat is an iteration component that allows you to output the contents of a collection according to a structure that you specify…. tag has following attributes.

Attribute Name	Attribute Type	Description
value	Object	The collection of data that is iterated over.

What is faceted search in Oracle APEX?

Faceted Search was introduced in APEX 19.2 allowing users to filter information easily and intuitively by selecting the options in each facet. For APEX 20.2 the APEX Development Team has included great enhancements to this region.

What is a facet component?

A facet is any attribute of type Aura. Component[] . Use this type as a placeholder for a block of markup. The body attribute is an example of a facet.

What is action region in Salesforce?

actionRegion visualforce salesforce actionRegion provides an area of a Visualforce page that decides and separates which components should be processed by the force.com server when an AJAX request is generated. Only the components which are inside actionregion component are processed by server, so it increases visualforce page performance.

How to increase Visualforce page performance using actionregion?

Only the components which are inside actionregion component are processed by server, so it increases visualforce page performance. Here components means, all visualforce tags like inputField, outputField, outputPanels etc. actionregion is one of the most important tag which helps in increasing page performance.

What are the best tools for developing with Salesforce?

Tools for developing with Salesforce in the lightweight, extensible VS Code editor Salesforce CLI Command-line interface that simplifies development and build automation Build Skills Trailhead