jQuery optional function parameter

Question

Here is what I am trying to simplify:

rhp_left.find('.first').removeClass("s7").addClass("s4");
rhp_left.find('.second').removeClass("s5").addClass("s3").after(extra);

As you can see the second one has .after(extra)at the end. So, I have the following js function:

function MY_FUNCTION(a, b, c, d)
{
   rhp_left.find(a).removeClass(b).addClass(c)d;??
}

jQuery(document).on('click', function() {
   MY_FUNCTION('.first', "s7", "s4", d)??
   MY_FUNCTION('.second', "s5", "s3", d)??
});

How do I add this .after(extra) as an option??

adeneo · Accepted Answer · 2016-01-13 00:41:34Z

2

Just use a condition

function MY_FUNCTION(a, b, c, d) {
   var elem = rhp_left.find(a).removeClass(b).addClass(c);

   if (d) elem.after(d);
}

jQuery(document).on('click', function() {
   MY_FUNCTION('.first', "s7", "s4");
   MY_FUNCTION('.second', "s5", "s3", extra);
});

answered Jan 13, 2016 at 0:41

adeneo

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