Comments (2)
Hey @viktorbezdek, when you rerender you should put the selected
attribute on the <option>
element that should be selected (i.e. <option selected value="foo">Foo</option>
). If you don't correctly set the selected
attribute then the existing <option>
elements will become unselected and the selected option will go back to the first <option>
.
Here's a similar issue that was opened: #16
Also, if you don't want to have to worry about rerendering with the appropriate <option>
having the selected
attribute then you can copy that property before morphing the <option>
element by doing something similar to the following:
morphdom(fromNode, toNode, {
onBeforeMorphEl: function(fromEl, toEl) {
if (toEl.tagName === 'OPTION') {
toEl.selected = fromEl.selected;
}
}
});
Not sure if that is good practice but just throwing that out there in case it helps.
Does that answer your question?
from morphdom.
Sorry for late response and yes, this does answer my question. Thanks for the clarification. Thought morphdom would transfer selectedIndex while morphing as well. Using attr selected works as expected.
from morphdom.
Related Issues (20)
- Replacing multiple independent DOM items
- examples don't work in macOS Chrome or Safari
- Input type change breaks value change
- onAfterChanges option (or something similar) HOT 7
- Allow to provide custom morphAttrs function
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- Cannot read properties of null (reading 'nodeName')
- Is this project discontinued? HOT 1
- getNodeKey with text nodes isn't supported?
- Add style attribute condition for compat with CSP: unsafe-inline style
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- export morphAttrs
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- bug: when a document fragment is passed as toNode only the first child is used
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from morphdom.