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Render Function Concept
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license: mit |
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<meta name="viewport" content="width=device-width"> | |
<title>Shopping App Prototype</title> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
</head> | |
<body> | |
<svg width="500" height="960"></svg> | |
<script> | |
const textValue = d => `${d.name} $${d.price}` | |
const verticalSpacing = 45; | |
function render(selection, data){ | |
selection.selectAll('text').data(data) | |
.text(textValue) | |
.enter().append('text') | |
.style('font-size', '32pt') | |
.style('font-family', 'Sans-Serif') | |
.attr('x', 250) | |
.attr('y', (d, i) => 50 + verticalSpacing * i) | |
.text(textValue); | |
} | |
const svg = d3.select('svg'); | |
render(svg, [ | |
{ name: 'Milk', price: 3 } | |
]); | |
setTimeout(() => { | |
render(svg, [ | |
{ name: 'Milk', price: 3 }, | |
{ name: 'Eggs', price: 20 } | |
]); | |
}, 1000); | |
setTimeout(() => { | |
render(svg, [ | |
{ name: 'Milk', price: 3 }, | |
{ name: 'Eggs', price: 2 } | |
]); | |
}, 2000); | |
</script> | |
</body> | |
</html> |
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�PNG | |