Force DOM Redraw on Chrome/Mac
Problem:
In Chrome for Mac, forcing a redraw using the common offsetHeight trick does not work.
Current Hack:
A workaround involves adding and removing a border to force the element to visually jump. However, it introduces a noticeable delay and may not be effective at lower timeouts.
Proposed Solution:
An alternative approach that has proven successful is:
// in jQuery
$('#parentOfElementToBeRedrawn').hide().show(0);
// in plain JS
document.getElementById('parentOfElementToBeRedrawn').style.display = 'none';
document.getElementById('parentOfElementToBeRedrawn').style.display = 'block';
Improved Solution:
For a more guaranteed redraw, the following method inserts an empty text node into the element:
var forceRedraw = function(element) {
if (!element) { return; }
var n = document.createTextNode(' ');
var disp = element.style.display;
element.appendChild(n);
element.style.display = 'none';
setTimeout(function() {
element.style.display = disp;
n.parentNode.removeChild(n);
}, 20); // Adjust timeout as needed
};
This approach ensures a complete DOM redraw, potentially addressing the issue of incorrect rendering in Chrome for Mac.
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