Tables

A table represents information in a grid format.

Basic Table Structure

• The <table tag defines an HTML table.

• Each table row is defined with a <tr tag.

• Each table header is defined with a <th tag.

• Each table data is defined with a <td tag.

HTML Table - Cell that Spans Many Columns

To make a cell span more than one column, use the colspan attribute.

HTML Table - Cell that Spans Many Rows

To make a cell span more than one row, use the rowspan attribute.

For long tables you can split the table into a <thead, <tbody, and <tfoot.

Functions

is a block of code designed to perform a particular task,is executed when something invokes it (calls it).

Syntax

function name(parameter1, parameter2, parameter3) {

// code to be executed

}

Function parameters are listed inside the parentheses ( ) in the function definition

Function arguments are the values received by the function when it is invoked.

Object Methods

An object is a series of variables and functions that represent something from the world around you.

In an object, variables are known as properties of the object; functions are known as methods of the object

When used any key in object used **this to change or update value.**

Can use in same object string, integer,boolean, array and function.

DOM :

By DOM can create element, change value,remove value and add value.

1. get parent element.
2. create child.
3. append child to parent .
4. text content.