# clientTop property

The property `clientTop` contains the width of the top border (`border-top` value).

## Syntax

`element.clientTop;`

## Example

Let's find out the width of the top border of an element:

`<div id="elem"></div>` `#elem { width: 100px; height: 100px; border: 10px solid black; }` `let elem = document.querySelector('#elem'); console.log(elem.clientTop);`

The code execution result:

`10`

## See also

- the `clientLeft` property
  that contains the width of the left border

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