This is the JS I'm using to check if user ID is 7 digits
require([
"jquery",
"splunkjs/mvc/simplexml/ready!"
], function($,TableView, mvc, DashboardController){
var checkAndSetEvents = function() {
if($("#user_input").length) {
$("#user_input").change(function(event){
if(event.target.value && event.target.value.length > 7) {
$(".btn.btn-primary.submit").removeAttr("disabled");
} else {
$(".btn.btn-primary.submit").attr("disabled", "disabled");
}
});
} else {
setTimeout(checkAndSetEvents, 500);
}
}
checkAndSetEvents();
});
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