function checkForm var form document getElementById myForm var inputs

function checkForm () { 		
var form = document.getElementById('myForm'); 		
var inputs = document.getElementsByTagName('input'); 		
var flag = true; 		
for(var i = 0; i < inputs.length; i++){
if (inputs[i].value == '') {
alert(inputs[i].previousElementSibling.textContent);
inputs[i].style.borderColor = 'red';
flag = false;
} else {
	inputs[i].style.borderColor = 'green';
}
}
if (flag) {
	form.submit();
} else console.log('form no sub'); 	
}