[Will]

If the gallery-icon already contains the image, you’re wiping it out by setting innerHTML to something new. You should try creating a document fragment and appending all of your new HTML, and then using appendChild on the gallery-icon item

[Will]

What are you trying to accomplish? That will determine how someone responds to your question. A couple things though:

getElementsByClassName only needs a class name, not a selector (i.e. ‘gallery-icon’ not ‘.gallery-icon’, note the dot)

getElementsByClassName returns an array, so either you need to select an item from that array (e.g. content = getElementsByClassName('gallery-icon')[0] and then set that innerHTML, or loop through each item and set the innerHTML for each pass, but it depends on what you’re trying to do

Also, all your innerHTML += lines should end in a semicolon, not a period

[Will]

Hey Chris – for Vimeo players (like on Know The Code) this Chrome extension works really well for adjusting playback speed

[Author]

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