The href attribute specifies the URL of the page the link goes to. If the href attribute is not present, the <a> tag is not a hyperlink.

1. Anchor Tags
BY: NIMISH GUPTA
[ TECHNIBLOGIC.COM ]

2. Introduction
 The <a> tag defines a hyperlink, which is used to link from one page to
another.
 The most important attribute of the <a> element is the href attribute,
which indicates the link's destination.
 By default, links will appear as follows in all browsers:
 An unvisited link is underlined and blue
 A visited link is underlined and purple
 An active link is underlined and red

3. Internal Linking
 To create a link with in that page, add a name attribute to the anchor tag
and specify that name from the place where you want that navigation
<a name="chapter1">Some contents</a>
Click <a href="#chapter1">here</a> to read chapter 1.

4. Linking to Email
 <a href="mailto:xyz@abc.com">Email Me</a>
 This will appear in the page as
Email Me
 When we click that, we can compose mail and send it to that
address.
 We can even configure subject and body of the mail using the
attributes subject and body.

5. Opening a Link in a New Browser Tab
 The target attribute on the anchor element opens a link in a new browser
tab.
<a href="http://yahoo.com" target="_blank">Yahoo!</a>

6. Anchor Tag - Attributes
 Download : Specifies that the target will be downloaded when a user
clicks on the hyperlink
 Href : Specifies the URL of the page the link goes to
 Target : Specifies where to open the linked document
 Title : Adds a title to an element. Many browsers will display the value of
this attribute when the element is hovered-over or is in focus.
 Rel : The rel attribute specifies the relationship between the current
document and the linked document.

7. QR CODE Generator – My Project
Via Qr-code.gq

8. Main code
<input type="url" name="url" id='url' placeholder="Enter the url...."/>
<input type="button" id='btn' onClick="qrcode()" value="Go">
</form>
<p id="display"></p></center>
<script>
function qrcode(){
var url=document.getElementById('url').value;
document.getElementById('display').innerHTML=
'<img
src="http://chart.apis.google.com/chart?cht=qr&chs=200x200&chl='+url+'"></img>';
}
</script>

9. Features
 The most popular technology to bridge the physical-digital gap
 Encode any type of textual information in a QR Code

10. Limitations
 A Qr-code Reader always needed a Application to decode it

11. Future scope
 In Future it can have many the feature to store the address, phone book,
telephone number etc. other than URL
 We can also Encrypt Password and communicate between to devices