Method getElement

docs/app/js/sanddance-app.js:71278–71280

(row, col)

        return col * this.RANK + row;
    }
    getElement(row, col) {
        return this[col * this.RANK + row];
    }
    setElement(row, col, value) {
        this[col * this.RANK + row] = (0, _validators.checkNumber)(value);
        return this;