[Solved]-duplicating the whole svg element using d3.js-d3.js

I'm not entirely certain what you're trying to do with the code you've posted, but I thought that duplicating an entire SVG node was interesting. It turns out it's quite easy to do with selection#html - this doesn't work on the SVG node, but it does work on its container, so it's easy to clone the whole node:

function addAnother() {
    var content = d3.select(this.parentNode).html();
    var div = d3.select('body').append('div')
        .html(content);
    div.selectAll('svg').on('click', addAnother);
}

svg.on('click', addAnother);

See working fiddle here. Note that this only works if the SVG node is the only child of its parent - otherwise, you might need to wrap it somehow.