Example of merging the same content of table td by js _ javascript tips-js tutorial

As the title says, how to merge the same content of the table's td is described in detail. The following describes how to use js. Do not miss out if you are interested. The Code is as follows:

Function hb (){
Var tab = document. getElementById ("subtable ");
Var maxCol = 3, val, count, start;
Var ys = "";
For (var col = maxCol-1; col> = 0; col --){
Count = 1;
Val = "";
For (var I = 0; I If (val = tab. rows [I]. cells [col]. innerHTML ){
Count ++;
} Else {
If (count> 1 ){
// Merge
Start = I-count;
If (ys = "#00 FFFF "){
Ys = "# EEEE00 ";
} Else {
Ys = "#00 FFFF ";
}
Tab. rows [start]. cells [col]. rowSpan = count;
Tab. rows [start]. cells [1]. style. backgroundColor = ys; // change the color.
// Ys = "# EEEE00 ";
// Tab. rows [I]. cells [1]. style. backgroundColor = "#00 FFFF"; // change the color to green.
For (var j = start + 1; j Tab. rows [j]. cells [col]. style. display = "none ";
Tab. rows [j]. removeChild (tab. rows [j]. cells [col]);
}
Count = 1;
}
Val = tab. rows [I]. cells [col]. innerHTML;
}
}

If (count> 1) {// merge, when the last few rows are the same
Start = I-count;
Tab. rows [start]. cells [col]. rowSpan = count;
For (var j = start + 1; j Tab. rows [j]. removeChild (tab. rows [j]. cells [col]);
}
}
}
}