Created
July 3, 2018 08:37
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Pure JavaScript Draggable
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| (function () { | |
| const wrapper = document.querySelector(`#test`); | |
| const pos = {}; | |
| const moveDrag = evt => { | |
| // const { scrollLeft, scrollTop } = document.scrollingElement; | |
| const o = { | |
| top: wrapper.offsetTop - (pos.clientY - evt.clientY), | |
| left: wrapper.offsetLeft - (pos.clientX - evt.clientX) | |
| }; | |
| pos.clientX = evt.clientX; | |
| pos.clientY = evt.clientY; | |
| wrapper.style.top = `${o.top}px`; | |
| wrapper.style.left = `${o.left}px`; | |
| // console.log(o); | |
| }; | |
| const endDrag = () => { | |
| wrapper.dataset.dragging = ``; | |
| window.removeEventListener(`mousemove`, moveDrag); | |
| window.removeEventListener(`mouseup`, endDrag); | |
| window.removeEventListener(`mouseleave`, endDrag); | |
| }; | |
| const startDrag = evt => { | |
| if (wrapper.dataset.dragging === `true`) { | |
| return; | |
| } | |
| wrapper.dataset.dragging = `true`; | |
| window.addEventListener(`mousemove`, moveDrag); | |
| window.addEventListener(`mouseup`, endDrag); | |
| window.addEventListener(`mouseleave`, endDrag); | |
| pos.clientX = evt.clientX; | |
| pos.clientY = evt.clientY; | |
| }; | |
| wrapper.addEventListener(`mousedown`, startDrag); | |
| })(); |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>DRAG</title> | |
| <link href="style.css" rel="stylesheet"> | |
| </head> | |
| <body> | |
| <div id="test">TRY DRAG ME</div> | |
| <script src="draggable.js"></script> | |
| </body> | |
| </html> |
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| body { | |
| width: 3000px; | |
| height: 3000px; | |
| } | |
| #test { | |
| position: absolute; | |
| top: 150px; | |
| left: 582px; | |
| background: #efefef; | |
| border: 1px solid #ddd; | |
| border-radius: 5px; | |
| width: 150px; | |
| height: 30px; | |
| cursor: move; | |
| text-align: center; | |
| font-size: 15px; | |
| font-weight: bold; | |
| display: flex; | |
| align-items: center; | |
| justify-content: center; | |
| user-select: none; | |
| } |
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