ServiceNow Blog 01: What is client-side scripting? Client-side scripting examples.

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1 ) What is client-side scripting

• Runs the client-side scripting when events occur on the browser like loading of form, form submission, change of field value on the form.
• Run JavaScript on the client (web browser) when client-based events occur, such as when a form loads, after form submission, or when a field changes value.
• The table of client script is”sys_script_client”.
• Following are examples of client scripts:
• Shows an alert when the form loads.
• Validate form data
• Show/hide choices of fields
• Hide/show section
• Set a value on the form
• Confirmation on submit

2 )Client-side scripting examples:

• Ajax client scripting.
• Client scripts
• UI Policy
• Service catalog UI Policy
• UI Actions
• UI context Menus
• Validations scripts

3)Client-side Glide Classes

• Glide Ajax
• Glide Dialog window
• Glide form
• Glide list
• Glide Menu
• Glide User

4 ) Client-side API :

• Glide Ajax: Glide Ajax is used to call server-side code from client. Glide Ajax instance is called with Glide Ajax constructor. It uses client scripting. Syntax = var ga = new Glide Ajax (<script include>)
• Glide Form: Glide form is used to customize form & perform some activities on form. The object which is used to access the Glide form Methods is g_form. It is used only by clients.syntax =g_form.<GlideFormMethod>(<parameter>).
• Glide User: GlideUser is used to get information about the logged in user. The object which is used to access Glide User methods in g_user. It is used only by clients. Syntax= g_user. <GlideUserMethod()>.
• GlideDialogWindow: GlideDialogWindow is used for displaying a dialog in the current window and frame.it is used only in client.