column = '<div id="column" style="left:0%;" class="col-md-4 slide-in-demo"> <img src="http://bc-net/Sandbox/JuanDev/Lists/Qlinks/' + items[i] + IconImage1 + Url'><h5 class="font-weight-bold my-4">' + items[i].Title + '</h5></div><button class="btn btn-primary btn-sm waves-effect waves-light" href="#">LEARN MORE</button>';
So you’re trying to set
column to a multi-line value, which you can do, but you need to do so differently. Wrap the string in backticks, rather than quotes, turning it into a “string literal”. That will allow it to be multi-line and all kinds of other neat juju.