use 'j' in value loop
use 'j' in value loop

... to avoid confusing with i in dimension loop in
    outer-scope.

aburato/plotly.js,etpinard/plotly.js,etpinard/plotly.js,plotly/plotly.js,plotly/plotly.js,etpinard/plotly.js,aburato/plotly.js,plotly/plotly.js,plotly/plotly.js,asolagmbh/plotly.js,asolagmbh/plotly.js,asolagmbh/plotly.js