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May 10, 2018 08:11
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function makeResizableDiv(div) { | |
const element = document.querySelector(div); | |
const resizers = document.querySelectorAll(div + ' .resizer') | |
for (let i = 0;i < resizers.length; i++) { | |
const currentResizer = resizers[i]; | |
currentResizer.addEventListener('mousedown', function(e) { | |
e.preventDefault() | |
window.addEventListener('mousemove', resize) | |
window.addEventListener('mouseup', stopResize) | |
}) | |
function resize(e) { | |
if (currentResizer.classList.contains('bottom-right')) { | |
element.style.width = e.pageX - element.getBoundingClientRect().left + 'px' | |
} | |
} | |
function stopResize() { | |
window.removeEventListener('mousemove', resize) | |
} | |
} | |
} | |
makeResizableDiv('.resizable') |
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