How to reduce the size of svg in d3.js?

@shyann 

There are a few ways to reduce the size of an SVG in D3.js:

1. Use smaller dimensions: When creating your SVG element in D3.js, you can specify smaller dimensions for width and height. This will result in a smaller SVG file size.

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var svg = d3.select("body")
    .append("svg")
    .attr("width", 200)
    .attr("height", 200);

1. Simplify shapes and paths: If your SVG contains complex shapes or paths, you can simplify them to reduce the number of points and complexity. This can be done manually or using tools like SVGO (SVG Optimizer).
2. Minimize styling: Reduce the use of inline styles and CSS classes in your SVG. Instead, use CSS rules defined outside of the SVG element to style your elements.
3. Use viewBox attribute: By using the viewBox attribute, you can specify a portion of the SVG canvas that should be visible. This can help reduce the file size by removing unnecessary content outside of the viewBox.

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var svg = d3.select("body")
    .append("svg")
    .attr("viewBox", "0 0 100 100");

1. Use data URIs: Instead of linking to external images or resources in your SVG, consider embedding them as data URIs. This can help reduce the number of external requests and the overall file size.

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var img = d3.select("svg")
    .append("image")
    .attr("xlink:href", "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAABfElEQVRIS+2UwY7EIAxFd9vdzOcPwgTJVso4r3WwTqPHdxeq0I0mgV7j00ETJ7Q6Dl2cu213gmfaPzwM3UxthHbwphRKVVYrZ8oyNwYbMJh/7YYYWtLwSSe9p1WLFlQFoZjHK2sKlZeL+5YplgogdAWhM/upKqN6tslEyQZPqV0OXpDkGABpwzhugv+ZkZ8GLgYH2+Mk+5qoT+2lrOg4wg1cHGvGZkLofgSxFggFqgxcfHhvhIghuXhluKNJ8fYqNz6bpIXnrDkN+GWBn7wAa1jB04EIWVGaL8QEVawWZqLzdSybRu+n6l7b8p5NgMBKD8KcYDB4nFmPU6fmiSwdBajGZfVbFedRFAAAAAAElFTkSuQmCC");
    .attr("width", 100)
    .attr("height", 100);

By following these tips, you can reduce the size of your SVG in D3.js and improve performance.