46         checkFunc: 'number'  property
50         checkFunc: 'number'  property
86         checkFunc: 'number'  property
123         checkFunc: 'number'  property
131         checkFunc: 'number',  property
141         checkFunc: 'number',  property
165         checkFunc: 'number',  property
169         checkFunc: 'length',  property
202         checkFunc: 'number',  property
205         checkFunc: 'number',  property
259         checkFunc: 'number',  property