D3.js Template

HTML

<svg></svg>

CSS

.axis {
        shape-rendering: crispEdges;
    }

    .axis path, .axis line {
        fill: none;
        stroke-width: .5px;
    }

    .x.axis path {
        stroke: #000;
    }

    .x.axis line {
        stroke: #fff;
        stroke-opacity: .5;
    }

    .y.axis line {
        stroke: #ddd;
    }

    path.line {
        fill: none;
        stroke: #000;
        stroke-width: .5px;
    }

    rect.pane {
        cursor: move;
        z-index: 100000;
        fill: none;
        pointer-events: all;
    }

JavaScript

var svg = d3.select('svg');

var dataSet = [
    {
    start: new Date('1 Feb 2014'),
    end: new Date('2 Feb 2014')
},
    
    {
    start: new Date('1 Feb 2014'),
    end: new Date('2 Feb 2014')
}, {
    start: new Date('3 Feb 2014'),
    end: new Date('4 Feb 2014')
}, {
    start: new Date('4 Feb 2014'),
    end: new Date('5 Feb 2014')
}];

var width = 400, height = 100;

var x = d3.time.scale().range([0, width]).domain([new Date('1 Feb 2014'), new Date('5 Feb 2014')]);
var y = d3.scale.linear().domain([0, 100]).range([height, 0]);

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom")
    .ticks(6)
    .tickPadding(6);

var zoom = d3.behavior.zoom().on("zoom", draw);

var itemRects = svg.append('g').attr('clip-path', 'url(#clip)');

svg.append("clipPath")
    .attr("id", "clip")
    .append("rect")
    .attr("x", x(0))
    .attr("y", y(1))
    .attr("width", x(1) - x(0));


svg.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + (height - 25) + ")");

svg.append("path")
    .attr("class", "line")
    .attr("clip-path", "url(#clip)");

svg.append("rect")
    .attr("class", "pane")
    .attr("width", width)
    .attr("height", height)
    .call(zoom);

svg.selectAll('text')
    .data(dataSet)
    .enter()
    .append('text')
    .attr('class', 'thetext')
    .attr('x', function (d) {
    return x(d.start);
})
  .attr('y', function (d) {
    return 10;
})
.text("should not distort on zoom");


svg.selectAll('rect')
    .data(dataSet)
    .enter()
    .append('rect')
    .attr('class', 'timebar')
    .style('opacity', 0.3)
    .style('fill', "green")
    .attr('x', function (d) {
    return x(d.start);
})
    .attr('width', function (d) {
    return x(d.end) - x(d.start);
})
    .attr('height', function (d) {
    return 2.5;
})

zoom.x(x);

draw();

function draw() {

    if (d3.event) {
        svg.selectAll("rect.timebar").attr("transform", "translate(" + d3.event.translate[0] + ",0)scale(" + d3.event.scale + ", 1)");
    ...