Frame object, property and its method in js

Frame Object

The frame object is a browser object of JavaScript used for accessing HTML frames. The user can use the frames array to access all frames within a window. Using the indexing concept, users can access the frames array.

• The frames array index always starts with zero and not 1.
• The frame object is actually a child of the window object. These objects are created automatically by the browser and help users to control the loading and accessing of frames.
• The properties and methods of frame object are similar to that of Window object in JavaScript.
• The frame object does not support close() method that is supported by the window object.
• Using the <FRAMESET> document creates frame objects and each frame created is thus a property of the window object.

Frame Properties

• frames 
• name
• length
• parent
• self

frames: 

The frame property of the frame object denotes a collection or array of frames in the window and also in the frameset.

self:

As the name implies, the self property of the frame object denotes the current object. by using self-property the user can access the property of the same object.

name:

The name of the frame object denotes the name of the object. The method of denoting the name attribute is performed by using the name attribute of the <frame>tag. 

length:

The frames array has all the frames present within a window and the length property of the frame object denotes the length of the frames array or gives the number of frames present in a window or a frames array.

parent:

As the name implies, the parent property of the frame object denotes the parent frame of the current frame.

Methods of frame object:

• blur()
• focus()
• setInterval()
• clearInterval()
• setTimeout(expression, milliseconds)
• clearTimeout(timeout)

blur():

blur() method of frame object removes focus from the object.

focus():

focus() method of frame object gives focus to the object.

setInterval():

setInterval() method of frame object is used to call a function of JavaScript or to evaluate an expression after the time interval specified in arguments has expired. The time interval in arguments is always specified in milliseconds.

clearInterval():

clearInterval method of frame object is used to cancel the corresponding definedsetInterval method. This is written by referencing the setInterval method using its ID or variable.

setTimeout(expression, milliseconds):

setTimeout method of frame object can be used to execute any function or access any method or property after a specified time interval given to this method as an argument.

clearTimeout():

clearTimeout method of frame object is used to clear a specified setTimeoutmethod. This is written by referencing the setTimeout method using its ID or variable.