javascript: goto statement

Question

I have a for loop, but in one condition, I want to skip some steps so that I have used goto statement...

for (var rows = 0; rows < result.data.length; rows++) {
  [lbl] topOfLoop:

  var row = result.data[rows]
  if (row[0] == "") {
    goto topOfLoop;
  }

  ----- // some code
}

Its not working ? Can anyone tell me, how it could be done ?

replace 'goto', with 'break', remove '[lbl]', place the 'topOfLoop:' label statement above the 'for' statement. Or, just use 'continue'. — BGerrissen, Jan 15 '13 at 10:10
"go to" is a bad "engineering" practice, I have read somewhare I can't remember! — sadaf2605, Jan 15 '13 at 10:13
And no matter what language you are using if you EVER use 'goto' then your code is bad. goto is considered very bad (spagetti anyone?) https://www.google.com/search?q=why+goto+is+bad&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-GB:official&client=firefox-a — Paul Sullivan, Jan 15 '13 at 10:14
I wonder why you even tried that... of course it's not working because such a thing does not exist in JavaScript. What happened to reading tutorials? — Felix Kling, Jan 15 '13 at 10:17
::but in continue keyword, the value of rows also will increment & i dont want to increment it... — Ashok Damani, Jan 15 '13 at 10:24
@user1948530: But if `row` is not incremented, `result.data[rows][0]` will always be the same value and your `goto` statement will effectively be an infinite loop. Or is there other code in between? — Felix Kling, Jan 15 '13 at 10:32
@Felix it [began as a joke](http://summerofgoto.com/) but looks like people are actually using it. It was published [here](http://stackoverflow.com/a/9751229/447356). (If you ask me both that post here and that site should be removed) — Shadow The GPT Wizard, Jan 15 '13 at 11:04

score 4 · Answer 1 · answered Jan 15 '13 at 10:10

4

i want to skip some steps so that i'v used goto statement...

Use continue statement instead of goto

for (var rows = 0; rows < result.data.length; rows++) 
    {
        var row = result.data[rows]
        if (row[0] == "") 
        {
           continue;
        }

answered Jan 15 '13 at 10:10

Habib

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::but in continue keyword, the value of rows also will increment & i dont want to increment it.... – Ashok Damani Jan 15 '13 at 10:23
@user1948530, you can decrement the row and then use continue, but I am not sure why you want such thing ? – Habib Jan 15 '13 at 10:26

Andreas Louv · Accepted Answer · 2013-01-15T10:50:57.980

4

Pretty sure you want to use continue;:

for (var rows = 0; rows < result.data.length; rows++)  {
    var row = result.data[rows];
    if (row[0] == "") {
        continue;  
    }
    // some code
}

edited Jan 15 '13 at 10:50

answered Jan 15 '13 at 10:11

Andreas Louv

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::but in continue keyword, the value of rows also will increment & i dont want to increment it... – Ashok Damani Jan 15 '13 at 10:25
@user1948530 Im not sure what you are saying, care to explain? – Andreas Louv Jan 15 '13 at 10:50

score 1 · Answer 3 · answered Jan 15 '13 at 10:11

1

Use continue statement in your code;

The continue statement passes control to the next iteration of the enclosing iteration statement in which it appears.

It is one of the Jump statements.

if (row[0] == "")
{
     continue;  
}

answered Jan 15 '13 at 10:11

Soner Gönül

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::but in continue keyword, the value of rows also will increment & i dont want to increment it... – Ashok Damani Jan 15 '13 at 10:25
@user1948530 then decremant it with `rows--` after `continue`? – Soner Gönül Jan 15 '13 at 10:26

javascript: goto statement

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