function validateForm() {
var ct=0;
var inputs=document.getElementsByTagName("input");
for (i = 0; i < inputs.length; i++) {
try{
if(inputs[i].value == '' && inputs[i].title.toLowerCase() == 'penting') {
ct = 1;
inputs[i].style.background= "blue";
}
}catch(e){}
}
if (ct != 0) {
alert("Yang Berwarna kuning harus di isi");
return false;
}
}
x = document.querySelectorAll(".example");
for (i = 0; i < x.length; i++) {
x[i].style.backgroundColor = "red";
}
 
 
 
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