Javascript: Automatically clicking a button?

Question

I'm learning how to write a chrome extension, and I'm fairly new to javascript.

Here's some html:

<div class="button data" style="">
   <a class="button1 whiteColor" href="http://link1.com">VIEW This</a>
   <a class="button2 redColor" href="http://link2.com">VIEW That</a>
</div>

What I want to do is open link2.com by automatically clicking button2 using javascript.

I'm using the following, but it's not working :/

document.getElementByClassName("button2 redColor").click();

Any help would be appreciated!!

document.getElementsByClassName("button2 redColor")[0].click(); — Niccolò Campolungo
– Niccolò Campolungo, Commented Jun 17, 2013 at 9:37
Thank you LightStyle, I just wasn't sure how to grab the a button already inside another class! — KingPolygon
– KingPolygon, Commented Jun 17, 2013 at 9:42

z1m.in · Accepted Answer · 2013-06-17 09:37:25Z

11

document.getElementsByClassName("button2 redColor")[0].click();

You need select index, because getElementsByClassName return the array

answered Jun 17, 2013 at 9:37

z1m.in

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3 Comments

Niccolò Campolungo Over a year ago

An answer - in my opinion - is not necessary in this case. Anyway, your solution won't work because it is getElements and not getElement. Pay attention to the typos(even of the OP)!

Niccolò Campolungo Over a year ago

@Zenith .click() exists even for DOM elements, it's not a jQuery function(in this case)

user43712 Over a year ago

@NiccolòCampolungo getElements is correct. it returns an array of elements, in case you need to retrieve all elements of the same class

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