My goal is to dynamically generate a select element using JavaScript and include a custom attribute called data-placeholder.
Is there a way to add non-standard attributes using JavaScript without triggering a browser error like:
Uncaught referenceError: Invalid left-hand side in assignment
The following code snippet is where the issue arises:
select1.data-placeholder="Choose ...";
It specifies using javascript instead of jquery...
yourElement.setAttribute('data-placeholder', 'value');
If you're looking for a solution without using jQuery, here's a straightforward method:
const newSelect = document.createElement('select');
newSelect.setAttribute('data-placeholder', 'placeholder value');
document.body.appendChild(newSelect);
For a visual demonstration, I've put together a simple JSFiddle example.
I hope this explanation is helpful!
Using JQuery simplifies this process:
$("<select></select>").attr("data-placeholder", "value").appendTo($element);
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