Need JQuery to Add a (None) or blank value to SharePoint Lookup Column
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08-02-2021 - |
Question
I have a Lookup column to another list but I need to display a "Blank" value or a "None" as the first item in the dropdown. The column must remain "Required". Does anyone have a JQuery example of how to do this?
Bismarck
Solution
Demo:
<script src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.9.1.min.js" type="text/javascript"></script>
<script>
$(function () {
$("select[title='look']").prepend("<option selected>none</option>")
})
</script>
Tip:on-premise is different from online.The title of required look up column is "columnName Required Field" in SPO,you need to change it.
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