xxxxxxxxxx1
<div class="position-relative" style="left:3rem; top:3rem;">2
<input type="checkbox" class="form-check-input" id="broken"> 3
</div>4
xxxxxxxxxx1
.form-check-input[type=checkbox]:indeterminate {2
background-color: #1266f1;3
border-color: #1266f1;4
}5
6
.form-check-input[type=checkbox]:indeterminate:after {7
content: "";8
}xxxxxxxxxx1
const broken = document.getElementById( "broken" );2
3
broken.indeterminate = true;4
Console errors: 0