[text] SVG: text inside rect

Programmatically using D3:

body = d3.select('body')
svg = body.append('svg').attr('height', 600).attr('width', 200)
rect = svg.append('rect').transition().duration(500).attr('width', 150)
                .attr('height', 100)
                .attr('x', 40)
                .attr('y', 100)
                .style('fill', 'white')
                .attr('stroke', 'black')
text = svg.append('text').text('This is some information about whatever')
                .attr('x', 50)
                .attr('y', 150)
                .attr('fill', 'black')