BCE0019: 'GetComponentsInChildren' is not a member of 'Object'.

This if for PauseMenuScript.js error at ‘object.GetComponentsInChildren’ what should I write to fix it?

function GetObjectStats(object) {

    var filters : Component[];
    filters = object.GetComponentsInChildren(MeshFilter);
    for( var f : MeshFilter in filters ){
        tris += f.sharedMesh.triangles.Length/3;
        verts += f.sharedMesh.vertexCount;
    }
}

untested c# code

void GetObjectStats ( GameObject obj)
{
    MeshFilter[] components = obj.GetComponentsInChildren<MeshFilter>();
    foreach (MeshFilter mf in components)
    {
         tris += mf.sharedMesh.triangles.Length/3;
         verts += mf.sharedMesh.vertexCount;
    }
}

function GetObjectStats (object : GameObject) { // All variables must be declared properly
var filters = object.GetComponentsInChildren.();
for (var f : MeshFilter in filters) {
tris += f.sharedMesh.triangles.Length/3;
verts += f.sharedMesh.vertexCount;
}
}

function GetObjectStats(object:GameObject) {
var filters : MeshFilter;
filters = object.GetComponentsInChildren(“MeshFilter”, true);
for( var f : MeshFilter in filters ){
tris += f.sharedMesh.triangles.Length/3;
verts += f.sharedMesh.vertexCount;
}
}