版权声明: https://blog.csdn.net/eds124/article/details/85217766
table=document.getElementsByTagName('table');
for(i=0; i<table[0].rows.length; i++){
if(table[0].rows[i].cells[3].textContent > '2018-12-20'){
table[0].rows[i].cells[3].style.backgroundColor="red";
}else{
table[0].rows[i].cells[3].style.backgroundColor="green";
}
}