17 lines
582 B
JavaScript
17 lines
582 B
JavaScript
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window.onload = function () {
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var t = document.getElementsByTagName('textarea')[0];
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var offset = !window.opera ? (t.offsetHeight - t.clientHeight) : (t.offsetHeight + parseInt(window.getComputedStyle(t, null).getPropertyValue('border-top-width')));
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var resize = function (t) {
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t.style.height = 'auto';
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t.style.height = (t.scrollHeight + offset ) + 'px';
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}
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t.addEventListener && t.addEventListener('input', function (event) {
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resize(t);
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});
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t['attachEvent'] && t.attachEvent('onkeyup', function () {
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resize(t);
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});
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}
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