Factory Function
When a function returns an object, we call it a factory function. It can produce object instance without new keywords or classes.
Day: August 3, 2021
Accessing Properties in JavaScript
Accessing Properties
A property of an object is some piece of named data it contains. These are accessed with dot
operator applied to an object alternative to the dot operator is the array [ ] operator.
Syntax: – object_name.property_name
Ex:-
Accessing Properties
Accessing Methods
Object members that are functions are called methods. These are accessed with dot operator applied
to an object alternative to the dot, the operator is the array [ ] operator.
Syntax: – object_name.Method_name( );
Ex:-
Adding Properties/Methods
Syntax:-
Object_name.Property_name = value;
Object_name[„Property_name‟] = value;
Deleting Properties
Delete operator is used to delete instance properties.
Syntax:- delete object_name.property_name
Ex: – delete fees.Rahul
After removal with delete operator, the property has the undefined value.
HTML: Definition List
A definition list is a list of terms, with a definition of each term.
We can create definition list by using the <dl> ………. </dl> with <dt> and <dd> tag.
The <dt> …….. </dt> tag is used to define the term; whrereas, the <dd> tag is used to give the term’s definition.
<dl>
<dt>College</dt>
<dd>A boring place</dd>
<dt>School</dt>
<dd>Learn as much as you can</dd>
<dt>University</dt>
<dd>for fun</dd>
</dl>HTML: Ordered List
An ordered list displays a list of items using numbers or letters in either ascending or descending order.
The <ol> ………. </ol> tag is used to define an ordered list ; whereas the <li> ….. </li> tag is used to define the items of list.
Ex:-
<ol>
<li>Linux</li>
<li>Windows</li>
<li>Mac</li>
<li>Android</li>
</ol>
| Attribute | Value |
| Type | 1, A, a, I, i |
| Start | Any numeric value |
| Reversed | Reversed |
<ol type=1>
<li>Linux</li>
<li>Windows</li>
<li>Mac</li>
<li>Android</li>
</ol>
HTML: Unordered List
An unordered list is used to create a bulleted list of items.
The <ul> …………….. </ul> tag is used to define an unordered list; whereas, the <li> ……… </li> tag is used to define the items of the list.
Ex:-
<ul>
<li>Linux</li>
<li>Windows</li>
<li>Mac</li>
<li>Android</li>
</ul>
- Linux
- Windows
- Mac
- Android