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Reordering HTML Table columns with Javascript

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  1. First, we get a list of all the tbody elements via

mytablebody = document.getElementsByTagName("tbody")[0];

Since there is only one tbody element in this example, this list will have only one item, which we retrieve by selecting the first element in that list using [0].

  1. Next, we get all the tr elements that are descendants of the tbody

Note: Data Saver must be turned off.

Source HTMLCollection.length Document.getElementsByTagName()

Written on April 27, 2022