jquery - getting javascript error while iterating through array -

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function sortproducts(filprodlist) {     var prod;     var k = 0;     (i = 0; < filprodlist.length; i++) {         var k = + 1;         var p=filprodlist[i].entitykey.substr(filprodlist[i].entitykey.length - 1);         var p2=filprodlist[k].entitykey.substr(filprodlist[k].entitykey.length - 1);         if ( p>p2)  {             temp = filprodlist[k];             filprodlist[k] = filprodlist[i];             filprodlist[i] = temp;         }     }     rederproduct(filprodlist); }

while executing above code getting following error typeerror: filprodlist[k] undefined

don't var inside loops, blocks don't have scope in javascript, var every variable want use in 1 var statement. end loop when highest index reaches end (k). can move k for's iterate step because you're iterating this, too.

function sortproducts(filprodlist) {     var prod, i, k, p, p2, temp;     (i = 0, k = 1; k < filprodlist.length; ++i, ++k) {         p =  filprodlist[i].entitykey.substr(filprodlist[i].entitykey.length - 1);         p2 = filprodlist[k].entitykey.substr(filprodlist[k].entitykey.length - 1);         if (p > p2)  {             temp = filprodlist[k];             filprodlist[k] = filprodlist[i];             filprodlist[i] = temp;         }     }     rederproduct(filprodlist); }

a different way forget k together, start i = 1 , use i - 1 , i, means you're iterating less variables might easier follow code in mind.


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