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Distinguish between left and right mouse clicks

Written byPhuoc Nguyen
01 Apr, 2020
Last updated
03 Apr, 2020
Level 1 — Basic
The `mousedown` and `mouseup` event handlers let us know which mouse button is clicked:
ele.addEventListener('mousedown', function (e) {
// e.button === 0: the left button is clicked
// e.button === 1: the middle button is clicked
// e.button === 2: the right button is clicked
// e.button === 3: the `Browser Back` button is clicked
// e.button === 4: the `Browser Forward` button is clicked

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