The method addgrid creates a grid cell in the position where the grid was removed or not created before. The position status can be identified with the method grid. If a grid exists in the position, there will be no grid cell created.
element - A two element array [colno,rowno], in which colno means column number and rowno means row number.
var pggrid = new jsgrid();
pggrid.init({
id:"wrp",
rows:5,
columns:12,
width:25,
height:20,
gutter:1,
backgroundColor: "#7fffd4"
});
pggrid.removegrids([2,0],[2,4]);
pggrid.removegrids([3,0],[3,3]);
pggrid.removegrids([4,2],[4,4]);
pggrid.removegrids([5,2],[5,3]);
pggrid.addgrid([2,3]);
pggrid.addgrid([3,2]);
pggrid.addgrid([4,3]);
pggrid.addgrid([5,3]);
var grp2 = pggrid.grid([2,3]);
grp2.innerHTML = "2,3";
var grp3 = pggrid.grid([3,2]);
grp3.innerHTML = "3,2";
var grp4 = pggrid.grid([4,3]);
grp4.innerHTML = "4,3";
var grp5 = pggrid.grid([5,3]);
grp5.innerHTML = "5,3";
pggrid.addstyle([grp2,grp3,grp4,grp5],{background:"#dc0"});