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JSON () method: It is USED to check the string is valid JSON with the help of regular EXPRESSIONS.

JSON () method: It is used to check the string is valid JSON with the help of regular expressions.

The FORM methods available in PROTOTYPE are:

• Disabled ()
• Enable ()
• Find First ELEMENT ()
• Focus First Element ()
• Getelements ()
• GET Inputs ()
• Request ()
• RESET ()
• Serialize ()
• Serialize Elements ()

The form methods available in Prototype are:

is HASH() METHOD: RETURNS TRUE if OBJECT is an instance of the Hash class, Otherwise returns false.

is Hash() method: Returns true if object is an instance of the Hash class, Otherwise returns false.

The SYNTAX of PLUCK () METHOD is: Iterator. Pluck (PROPERTY Name);

The syntax of pluck () method is: Iterator. Pluck (property Name);

$H method: This method is USED to convert object into enumerable Hash object.

SYNTAX: $H ([OBJ])

$H method: This method is used to convert object into enumerable Hash object.

Syntax: $H ([obj])

The features of JSON are:

• JSON is a lightweight data-interchange FORMAT.
• Easy to read and WRITE for humans.
• Easy to parse and GENERATE for MACHINES.
• BASED on JavaScript Programming Language.
• Completely language independent.

The features of JSON are:

The METHODS PROVIDED by JSON for ENCODING are:

• Number.toJSON ()
• String.toJSON ()
• Array.toJSON ()
• Hash.toJSON ()
• Date.toJSON ()
• Object.toJSON ()

The methods provided by JSON for Encoding are:

CALLBACKS that are not implemented by all browsers are:

• On LOADED
• On Loading
• On Interactive
• On Uninitialized

Callbacks that are not implemented by all browsers are:

The AJAX methods AVAILABLE in Prototype are:

• Ajax Options
• Ajax.PeriodicalUpdater ()
• Ajax. REQUEST ()
• Ajax. RESPONDERS ()
• Ajax. RESPONSE ()
• Ajax. Updater ()

The AJAX methods available in Prototype are:

The syntax of $R utility function is: $R(start, end[, exclusive = FALSE]);

Example:

$R (1, 10).INSPECT ();

The syntax of $R utility function is: $R(start, end[, exclusive = false]);

Example:

$R (1, 10).inspect ();

The MAJOR advantage of PERIODICAL Executor is: Periodical Executor shields you against multiple PARALLEL executions of the callback FUNCTION.

The major advantage of Periodical Executor is: Periodical Executor shields you against multiple parallel executions of the callback function.

PERIODICAL Executor OBJECT: It is USED to EXECUTE a function many times after a certain PERIOD of time.

Periodical Executor object: It is used to execute a function many times after a certain period of time.

Two ways to construct a HASH instance are:

• By using NEW JAVASCRIPT KEYWORD.
• By using $H(PROTOTYPE Utility function).

Two ways to construct a Hash instance are:

The DATE.toJSON () METHOD is used to CONVERT the date into a JSON string.

The Date.toJSON () method is used to convert the date into a JSON string.

• AJAX stands for Asynchronous JAVASCRIPT and XML.
• It is a TECHNIQUE which is used for creating faster, better and more INTERACTIVE web APPLICATIONS.

The $w () method is used to SPLITS a STRING into an ARRAY.

Here, all whitespace are treated as DELIMITERS.

The $w () method is used to splits a string into an array.

Here, all whitespace are treated as delimiters.

$A () method: This method is used to CONVERTS the SINGLE ARGUMENT it receives into an array object.

$A () method: This method is used to converts the single argument it receives into an array object.

include method: This method is USED to DETERMINE whether the value is included in the range or not.

If the value is included, then returns TRUE otherwise returns FALSE.

include method: This method is used to determine whether the value is included in the range or not.

If the value is included, then returns true otherwise returns false.

The STEPS to CREATE the formatted output are:

STEP 1: Create a template.

Step 2: Defining actual values.

Step 3: Mapping Keys and replacing Values.

The steps to create the formatted output are:

Step 1: Create a template.

Step 2: Defining actual values.

Step 3: Mapping Keys and replacing Values.

TEMPLATES:

• It is used for FORMATTING GROUP of similar OBJECTS.
• It is also used to produce FORMATTED output for these objects.

Templates:

EMPTY () method is used to CHECK whether the ELEMENT is empty or not.

empty () method is used to check whether the element is empty or not.

inspect () METHOD: This method is USED to RETURNS a debug-oriented version of the string.

inspect () method: This method is used to returns a debug-oriented version of the string.

UNDERSCORE () method: This method is USED to converts a String into a series of WORDS SEPARATED by an underscore.

underscore () method: This method is used to converts a String into a series of words separated by an underscore.

The features of PROTOTYPE are:

• Extends DOM elements.
• POWERFUL Ajax features.
• Does not provide WIDGETS.
• Advanced support for event management.
• It is not a complete APPLICATION development framework.
• Built-in support for class-style OOP including inheritance.

The features of Prototype are:

SAM STEPHENSON is the DEVELOPER of PROTOTYPE.

Sam Stephenson is the developer of Prototype.

• Prototype is a JAVASCRIPT framework which is USED in dynamic web APPLICATIONS.
• It is a namespace and a module that is used to manage HTML FORMS.
• It is also a JavaScript LIBRARY.