javascript - D3 line chart axis text labels in multi line -


i have line chart built in d3.js. needed some customisation. looking split x-axis text labels in 2 lines. want date in 1 line , month in another.

the present chart has "14 dec" in 1 line.

the present chart:

present chart

the x-axis labels split 2 lines here. date , month in 2 different lines.

expected x-axis:

expected

codepen link

        var xscale = d3.time.scale().domain([data[0][xkeyval], data[data.length - 1][xkeyval]]).range([margin.left, width]);          var yscale = d3.scale.linear().domain([0, d3.max(data, function(d) {                     return d[ykeyval];                 })]).range([height, margin.left]);         var xaxisgen = d3.svg.axis()                     .scale(xscale)                     .orient("bottom")                     .ticks(_config.keys.xaxis.ticks)                     .tickformat(d3.time.format("%d %b"))                      .ticksize(0);          var yaxisgen = d3.svg.axis()               .scale(yscale)               .orient("left")               .tickvalues(_config.keys.yaxis.tickvalues.length > 0 ? _config.keys.yaxis.tickvalues : 1)         .ticksize(0);

i'd after generating axis:

        svg.append("svg:g")           .attr("class", "x axis")           .attr("transform", "translate(0," +height + ")")            .call(_config.xaxisgen)           .selectall('.x .tick text') // select x tick texts           .call(function(t){                             t.each(function(d){ // each 1               var self = d3.select(this);               var s = self.text().split(' ');  // text , split               self.text(''); // clear out               self.append("tspan") // insert 2 tspans                 .attr("x", 0)                 .attr("dy",".8em")                 .text(s[0]);               self.append("tspan")                 .attr("x", 0)                 .attr("dy",".8em")                 .text(s[1]);             })         });

updated example.


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