<script>
function getTable(table1) {
var tb = document.getElementById(table1);
trL = tb.rows.length;
tdL = tb.rows[0].cells.length;
var c;
var count = 0
for (let td = tdL - 1; td >= 0; td--) {
for (var tr = 0; tr < trL; tr++) {
if (count !== 0 && c && c !== tb.rows.length - 1) {
tr = c
}
count = findSame(tb, tr, td)
if (count !== 0) c = count + 2
if (count === 0) { }
else {
tb.rows[tr].cells[td].rowSpan = count + 1
for (var i = 1; i <= count; i++) {
tb.rows[tr + i].removeChild(tb.rows[tr + i].cells[td])
}
}
function findSame(tb, tr, td) {
count = 0
/*纵向比较*/
function z(tb, tr, td) {
if (td === 0) return true
if (tb.rows[tr].cells[td - 1].innerHTML === tb.rows[tr + 1].cells[td - 1].innerHTML) {
return z(tb, tr, td - 1)
} else {
return false
}
}
/*横向比较*/
function h(tb, tr, td, ) {
if (tb.rows[tr + 1] && tb.rows[tr].cells[td] && tb.rows[tr + 1].cells[td] && tb.rows[tr].cells[td].innerHTML === tb.rows[tr + 1].cells[td].innerHTML) {
if (z(tb, tr, td)) {
count++
return h(tb, tr + 1, td)
} else {
return count
}
} else {
return count
}
}
count = h(tb, tr, td)
return count
}
}
}
}
getTable('test1')
</script>
