How to use R’s ellipsis feature when writing your own function?

The R language has a nifty feature for defining functions that can take a variable number of arguments. For example, the function data.frame takes any number of arguments, and each argument becomes the data for a column in the resulting data table. Example usage: > data.frame(letters=c(“a”, “b”, “c”), numbers=c(1,2,3), notes=c(“do”, “re”, “mi”)) letters numbers notes … Read more

HTML text-overflow ellipsis detection

I have a collection of block elements on a page. They all have the CSS rules white-space, overflow, text-overflow set so that overflowing text is trimmed and an ellipsis is used. However, not all the elements overflow. Is there anyway I can use javascript to detect which elements are overflowing? Thanks. Added: example HTML structure … Read more

HTML – how can I show tooltip ONLY when ellipsis is activated

I have got a span with dynamic data in my page, with ellipsis style. .my-class { text-overflow: ellipsis; overflow: hidden; white-space: nowrap; width: 71px; } <span id=”myId” class=”my-class”></span> document.getElementById(‘myId’).innerText = “…”; I’d like to add to this element tooltip with the same content, but I want it to appear only when the content is long … Read more