A very simple example of how to run the wonderful JavaScript API for vega-lite directly in the browser
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vega-lite JavaScript API browser example
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| license: mit |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| </head> | |
| <body> | |
| <div id="chart"></div> | |
| <script src="https://cdn.jsdelivr.net/npm/vega"></script> | |
| <script src="https://cdn.jsdelivr.net/npm/vega-lite"></script> | |
| <script src="https://cdn.jsdelivr.net/npm/vega-lite-api"></script> | |
| <script src="https://cdn.jsdelivr.net/npm/vega-tooltip"></script> | |
| <script> | |
| const options = { | |
| config: { | |
| // vega-lite default configuration | |
| }, | |
| init: (view) => { | |
| // initialize tooltip handler | |
| view.tooltip(new vegaTooltip.Handler().call); | |
| // enable horizontal scrolling for large plots | |
| if (view.container()) view.container().style["overflow-x"] = "auto"; | |
| }, | |
| view: { | |
| // view constructor options | |
| loader: vega.loader({ | |
| baseURL: "https://cdn.jsdelivr.net/npm/vega-datasets@1/", | |
| }), | |
| renderer: "canvas", | |
| }, | |
| }; | |
| vl.register(vega, vegaLite, options); | |
| vl.markBar({ tooltip: true }) | |
| .data([ | |
| { a: "A", b: 28 }, | |
| { a: "B", b: 55 }, | |
| { a: "C", b: 43 }, | |
| { a: "D", b: 91 }, | |
| { a: "E", b: 81 }, | |
| { a: "F", b: 53 }, | |
| { a: "G", b: 19 }, | |
| { a: "H", b: 87 }, | |
| { a: "I", b: 52 }, | |
| ]) | |
| .encode( | |
| vl.x().fieldQ("b"), | |
| vl.y().fieldN("a"), | |
| vl.tooltip([vl.fieldQ("b"), vl.fieldN("a")]) | |
| ) | |
| .render() | |
| .then((chart) => { | |
| document.getElementById("chart").appendChild(chart); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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