Is it guaranteed that the output of
Math.max(el.scrollHeight, el.offsetHeight, el.clientHeight)el.scrollHeight?
Typically,
clientHeight <= offsetHeight <= scrollHeightclientHeight > offsetHeight for the html element, it is uncertain if scrollHeight can ever be smaller than the other two.
When it comes to the offsetHeight property, it takes into account the borders of elements which is why it can sometimes be greater than the scrollHeight.
let element = document.getElementById('element');
console.log("clientHeight = " + element.clientHeight);
console.log("offsetHeight = " + element.offsetHeight);
console.log("scrollHeight = " + element.scrollHeight);
console.log("Max Height = "
+ Math.max(element.scrollHeight, element.offsetHeight, element.clientHeight));#element {
height:20px;
border:0px solid red;
border-block-width: 20px;
background-color:blue;
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