The fifth of a series of data visualizations on basic coding concepts. When you append or push data to a list, all you do is add it to the last position!
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December 10, 2015 21:07
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Append/Push
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| width: 1024px; | |
| margin-top: 0; | |
| margin: auto; | |
| font-family: "Lato", "PT Serif", serif; | |
| color: #222222; | |
| padding: 0; | |
| font-weight: 300; | |
| line-height: 33px; | |
| -webkit-font-smoothing: antialiased; | |
| } | |
| .tile { | |
| stroke: #000; | |
| stroke-width: 2px; | |
| fill: #ecf0f1; | |
| -webkit-font-smoothing: antialiased; | |
| } | |
| </style> | |
| <body> | |
| <script src="//d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 200, | |
| translate_speed = 1500; | |
| var svg = d3.select('body').append('svg') | |
| .attr('width', width) | |
| .attr('height', height); | |
| function makelist(){ | |
| var g = svg.append('g').attr('transform','translate(0,0)'); | |
| var data = [[Math.floor(Math.random()*10)], [Math.floor(Math.random()*10)], [Math.floor(Math.random()*10)]] | |
| svg.append('text') | |
| .attr('x', 80) | |
| .attr('y', 130) | |
| .style('text-anchor', 'middle') | |
| .style('font-size', '90') | |
| .text("A") | |
| svg.append('text') | |
| .attr('x', 160) | |
| .attr('y', 130) | |
| .attr('class', 'temp') | |
| .style('text-anchor', 'middle') | |
| .style('font-size', '90') | |
| .text("=").transition() | |
| .duration(translate_speed) | |
| .transition() | |
| .duration(translate_speed/2) | |
| .style('opacity', '0') | |
| .remove() | |
| svg.append('text') | |
| .attr('x', 220) | |
| .attr('y', 130) | |
| .attr('class', 'temp') | |
| .style('text-anchor', 'middle') | |
| .style('font-size', '120') | |
| .text("[").transition() | |
| .duration(translate_speed) | |
| .transition() | |
| .duration(translate_speed/3) | |
| .style('opacity', '0') | |
| .remove() | |
| svg.append('text') | |
| .attr('x', 680) | |
| .attr('y', 130) | |
| .attr('class', 'temp') | |
| .style('text-anchor', 'middle') | |
| .style('font-size', '120') | |
| .text("]").transition() | |
| .duration(translate_speed) | |
| .transition() | |
| .duration(translate_speed/3) | |
| .style('opacity', '0') | |
| .remove() | |
| g.selectAll('.newarray') | |
| .data(data).enter() | |
| .append('rect') | |
| .attr('x', function(d,i){ return 150*i + 250 }) | |
| .attr('y', 50) | |
| .attr('width', 100) | |
| .attr('height', 100) | |
| .attr('class', 'tile') | |
| g.selectAll('rect') | |
| .transition() | |
| .duration(translate_speed) | |
| .transition() | |
| .duration(translate_speed) | |
| .attr('x', 30) | |
| .transition() | |
| .duration(translate_speed) | |
| .style('opacity', '0') | |
| g.transition().duration(translate_speed*4).each("end", function(){ | |
| new_append(g) | |
| }); | |
| } | |
| function new_append(g){ | |
| svg.append('text') | |
| .attr('x', 650) | |
| .attr('y', 110) | |
| .attr('class', 'temp') | |
| .style('text-anchor', 'middle') | |
| .style('font-size', '30') | |
| .text("{ Append/Push }").transition() | |
| .duration(translate_speed*2) | |
| .transition() | |
| .duration(translate_speed/2) | |
| .style('opacity', '0') | |
| .remove() | |
| svg.append('text') | |
| .attr('x', 160) | |
| .attr('y', 130) | |
| .attr('class', 'temp') | |
| .style('text-anchor', 'middle') | |
| .style('font-size', '90') | |
| .text("=").transition() | |
| .duration(translate_speed*2) | |
| .transition() | |
| .duration(translate_speed/2) | |
| .style('opacity', '0') | |
| .remove() | |
| svg.append('text') | |
| .attr('x', 220) | |
| .attr('y', 130) | |
| .attr('class', 'temp') | |
| .style('text-anchor', 'middle') | |
| .style('font-size', '120') | |
| .text("[").transition() | |
| .duration(translate_speed*2) | |
| .transition() | |
| .duration(translate_speed/2) | |
| .style('opacity', '0') | |
| .remove() | |
| g.append('text') | |
| .attr('x', 280) | |
| .attr('y', 130) | |
| .style('text-anchor', 'middle') | |
| .style('font-size', '90') | |
| .text("A") | |
| g.append('rect') | |
| .attr('x', 350) | |
| .attr('y', 50) | |
| .attr('width', 100) | |
| .attr('height', 100) | |
| .attr('class', 'tile') | |
| .style('fill', '#fdb03f') | |
| g.selectAll('rect').transition() | |
| .duration(translate_speed*2) | |
| .transition() | |
| .duration(translate_speed) | |
| .attr('x', 30) | |
| .style('opacity', '0'); | |
| svg.append('text') | |
| .attr('x', 490) | |
| .attr('y', 130) | |
| .style('text-anchor', 'middle') | |
| .style('font-size', '120') | |
| .text("]") | |
| .attr('class', 'temp') | |
| .transition() | |
| .duration(translate_speed*2) | |
| .transition() | |
| .duration(translate_speed/2) | |
| .style('opacity', '0') | |
| .remove() | |
| g.select('text').transition() | |
| .duration(translate_speed*2) | |
| .transition() | |
| .duration(translate_speed) | |
| .attr('x', 80) | |
| .each("end", function(){ | |
| expand(g) | |
| }); | |
| } | |
| function expand(g){ | |
| d3.selectAll('.temp').remove() | |
| g.append('text') | |
| .attr('x', 160) | |
| .attr('y', 130) | |
| .attr('class', 'temp') | |
| .style('text-anchor', 'middle') | |
| .style('font-size', '90') | |
| .style('opacity', '0') | |
| .text("=").transition().delay(1000).duration(translate_speed).style('opacity', '1') | |
| g.append('text') | |
| .attr('x', 220) | |
| .attr('y', 130) | |
| .attr('class', 'temp') | |
| .style('text-anchor', 'middle') | |
| .style('font-size', '120') | |
| .style('opacity', '0') | |
| .text("[").transition().delay(1000).duration(translate_speed).style('opacity', '1') | |
| g.append('text') | |
| .attr('x', 830) | |
| .attr('y', 130) | |
| .attr('class', 'temp') | |
| .style('text-anchor', 'middle') | |
| .style('font-size', '120') | |
| .style('opacity', '0') | |
| .text("]").transition().delay(1000).duration(translate_speed).style('opacity', '1') | |
| g.selectAll('rect').transition().delay(500).duration(translate_speed).style('opacity', '1') | |
| .attr('x', function(d,i){ return 150*i + 250 }) | |
| setTimeout(function(){ | |
| d3.selectAll('g').remove(); | |
| d3.selectAll('svg text').remove(); | |
| makelist()}, translate_speed*4); | |
| } | |
| makelist() | |
| d3.select(self.frameElement).style("height", (height) + "px"); | |
| </script> |
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