Hi There,

I hope you're doing great.

With the participation in the ServiceNow Javascripting Challenge led by @Gagan Jolly , I m learning a lot. I thought I should share my learning on the Now community also

Day 2: ServiceNow Java scripting Challange

Statement of Work :

Write a code using the following methods

1. clearAllFormMessages
2. clearMessages
3. clearOptions
4. clearValue
5. disableAttachments
6. enableAttachments
7. flash

Solution :

Let's first try to understand what ServiceNow GlideForm API means

GlideForm :

• The GlideForm API provides methods to customize forms.
• Works on the client side only

Lets look into diffrent GlideForm Methods :

1. clearAllFormMessages
   
   • Removes all form messages of any type.
     
   • Method Signature : clearAllFormMessages()
     
   • Input parameters :
     
   • Returns :
2. clearMessages:
   
   • Removes all informational and error messages from the top of the form.
     
   • Method Signature: clearMessages()
     
   • Input parameters :
     
   • Returns :
3. clearOptions :
   
   • Removes all options from the choice list.
     
   • Method Signature : clearOptions(String fieldName)
     
   • Input Parameters :
     
     • fieldName ==> String ==> Name of the field.
       
   • Returns :
4. clearValue:
   
   • Removes any value(s) from the field.
     
   • Method Signature : clearValue(String fieldName)
     
   • Input parameters :
     
     • fieldName ==> String ==> Name of the field.
       
   • Returns :
     
     • void ==> Method does not return a value
5. disableAttachments:
   
   • Prevents file attachments from being added.
     
   • Method not available for mobile
     
   • Method Signature: disableAttachments()
     
   • Parameters :
     
     • fieldName ==> String ==> The field name.
       
     • choiceValue ==> String ==> The value stored in the database.
       
     • choiceLabel ==> String ==> The value displayed.
       
     • choiceIndex ==> Number ==> Order of the choice in the list. The index is into a zero based array.
       
   • Returns :

function onChange(control, oldValue, newValue, isLoading, isTemplate) {
    if (isLoading || newValue === '') {
        return;
    }

    //Type appropriate comment here, and begin script below
    g_form.clearMessages();
    g_form.clearOptions('contact_type');
    //g_form.clearValue('description');
    if (g_form.getValue('category') == 'software') {
        g_form.disableAttachments();
        g_form.flash('caller_id','#FFFACD',0);
    }
    else {
        g_form.enableAttachments();
    }
}

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Regards,

Amit Gujarathi

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