How to get the value of a link's target attribute in JavaScript?
In this tutorial, we will learn how to get the value of a link's target attribute in JavaScript.
The target attribute specifies where to open the linked document or page.
By default, its value is set to "_self", which means that the linked document should open in the same window or tab. It can also have values such as "_blank", "_self", "_parent", "_top" and "frame_name", where each value defines a different location where the linked document is opened.
Use target attributes
To get the target attribute value of a link in JavaScript, use the target attribute. The target attribute is used to set the location where the linked document is opened, that is, in the same window, a new window, the same frame, etc.
We can use the document.getElementById() method to get HTML elements. This method takes the element's id as a parameter and returns an element object. From this object, we can use the "target" attribute to get the target attribute value of the element.
grammar
document.getElementById('mylink').target
In the above syntax, "mylink" is the id of the link (e.g. anchor tag), and by using the document.getElementById() method and the "target" attribute, we can get the target attribute value from the link.
Example 1
You can try running the following code to get the value of the link's target attribute -
<!DOCTYPE html>
<html>
<body>
<p><a id="anchorid" rel="nofollow" target= "_blank"
href="https://www.tutorialspoint.com/">tutorialspoint</a></p>
<script>
var myVal = document.getElementById("anchorid").target;
document.write("Value of target attribute: "+myVal);
</script>
</body>
</html>
Example 2
In the following example, we use the document.getElementById() method and the target attribute to get the value of the target attribute of two different links.
<html>
<body>
<div>
<p> Click on "Get target atribute" button to diisplay the target
attribute of links </p>
<a id="link1" target="_self" href="https://www.tutorialspoint.com/"
>Link 1</a><br>
<a id="link2" target="_blank" href="https://www.tutorix.com/" >Link
2</a>
</div>
<br />
<div id="root"> </div>
<button onclick="getLink()"> Get target atrribute </button>
<script>
function getLink(){
// getting the target attribute value of anchor tags
let target1 = document.getElementById('link1').target
let target2 = document.getElementById('link2').target
// outputting the target values
let root = document.getElementById('root')
root.innerHTML = 'Link 1 target attribute: ' + target1 + '<br>'
root.innerHTML += 'Link 2 target attribute: ' + target2 + '<br>'
}
</script>
</body>
</html>
Use getElementsByTagName() method
In JavaScript, the document.getElementsByTagName() method can be used to get the value of the target attribute of a link or anchor tag. It accepts tag names in parameters and returns an HTMLCollection, similar to a list or array. It contains all element objects of that tag name, and from each object we can also get the value of the target attribute using the attribute "target".
grammar
// getting all anchor tags
let links = document.getElementsByTagName('a')
// looping through all the HTMLCollection links
for (let index=0; index<links.length; index++){
// accessing the target attribute from each element
let target = links[index].target
console.log(target)
}
In the above syntax, the document.getElementByTagName() method takes 'a' as parameter, so it returns all the elements in the HTMLCollection that are anchor tags, and looping through it, we get the target attribute value from all the elements in the link and The console logs it.
Example 3
In the following example, we use the document.getElementByTagName() method to get the value of the target attribute from the link.
<html>
<body>
<p>
Get the value of the target attribute of a link in JavaScript using
<i> document.getElementsByTagName() </i> method
</p>
<div>
<a target="_self" href="https://www.tutorialspoint.com/" >Link
1</a><br>
<a target="_blank" href="https://www.tutorix.com/" >Link 2</a>
</div>
<br />
<div id="root"> </div>
<button onclick="getLink()"> Get target attribute </button>
<script>
function getLink(){
let root=document.getElementById('root')
let links=document.getElementsByTagName('a')
for (let index=0; index<links.length; index++) {
let target=links[index].target
root.innerHTML+=
'Link '+(index+1)+' target: '+target+'<br>'
}
}
</script>
</body>
</html>
Use querySelectorAll() method
In JavaScript, you can use the document.querySelectorAll() method to get the target attribute value of a link or anchor tag.
grammar
The following is the syntax to get all anchor tags with the target attribute -
document.querySelectorAll('a[target]')
In the above syntax, the document.querySelectorAll() method takes "a[target]" as a parameter. So, it returns all the elements, which are anchor tags in a NodeList containing the target attribute, and looping through it, we can get all the target attribute values.
Example
In the following example, we use the document.querySelectorAll() method to get the value of the link's target attribute.
<html>
<body>
<p>
Get the value of the target attribute of a link in JavaScript using
<i> document.querySelectorAll() </i> method
</p>
<div>
<a target="_self" href="https://www.tutorialspoint.com/" >Link
1</a><br>
<a target="_blank" href="https://www.tutorix.com/" >Link 2</a><br>
<a href="https://www.tutorialspoint.com/" >Link 3(no target)</a>
</div>
<br />
<div id="root"> </div>
<button onclick="getLink()"> Get target Link </button>
<script>
function getLink(){
let root=document.getElementById('root')
let links=document.querySelectorAll('a[target]')
for (let index=0; index<links.length; index++) {
let target=links[index].target
root.innerHTML +=
'Link '+(index+1)+' target: '+target+'<br>'
}
}
</script>
</body>
</html>
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