Is it possible to format multi-tiered headers with LWC lightning-datatable component? I do not see anything in documentation, and I've tried passing in nested array of headers into columns attribute. But no luck.

An example is linked on W3 Org website. And I've attached a screenshot for clarity.

Any suggestions or workarounds?

enter image description here


Unfortunately, this is not supported. The lightning-datatable is designed after SLDS, which does not have an allowance for multiple header rows or cells that span more than one column. You'd have to roll your own table instead.

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