SetAttribute in JS

Question

I have writtena code, setAttribute not working there. Am I using it wrong.?

https://code.sololearn.com/WlF8DQ5vNaol/?ref=app

Answer 1

You have called more than one element in your code, thats the error. For this reason you need to choose one in this way with adding [0]:

document.getElementsByClassName("anchor")[0].setAttribute("href", "http://www.sololearn.com");

Answer 2

Yes Khan that can be look like as in this example:

https://code.sololearn.com/WrvqlFKLSvdq/?ref=app

Answer 3

Khan you are welcome. Happy coding!

Answer 4

JaScript , So what if I have to change the href of all <a> tags?
Do I need a loop for that?

Answer 5

JaScript , it's amazing. Thanks for your help