Uglify Js Creating forloop bug

Question

I have this loop which is uglified and

for (var row = 0; row < dbRows.length; row++) {

                         dbRows[row].daysList[day].taskid = dbRows[row].taskid;
                         dbRows[row].daysList[day].activityid = dbRows[row].activityid;
                     }
                 }
             }

After uglification it becomes this

for (var h = 0; h < b.length; h++)
                        b[h].daysList[g].taskid = b[h].taskid,
                        b[h].daysList[g].activityid = b[h].activityid,

so only first line after loop start is executing the other is not working at all.

are you sure? I'm pretty certain that both lines are one statement because of the commas at the end. — PeterT
– PeterT, Commented Mar 17, 2016 at 10:47

PeterT · Accepted Answer · 2016-03-17 10:56:57Z

1

I'm pretty sure you are wrong. The comma operator can be used to put multiple expressions into one expression.

For reference you can look at the MDN page.

Also, here's an example for you to try out:

    for(var h = 0; h<2;h++)
        alert("first line"),
        alert("second line");

answered Mar 17, 2016 at 10:56

PeterT

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