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How can I break out of a main function from within encapsulated .each function?

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0

Note: The suggested question is not exactly a duplicate, but one of the answers in there does provide a solution.

My annotated code is as follows:

function AddMedRow(brand, generic, dose, doseunits, freq, durn, durnunit, instrn) 
 $(".DrugRow").each(function () 
 id = $(this).attr('id'); 
 count = Number(id.replace("DrugRow", "")) 
 // If this row is empty, can add here
 if ($("#brand" + count).val() == "" && $("#generic" + count).val() == "") 
 $("#brand" + count).val(brand) 
 // I actually want to return true and break out of AddMedRow
 return true
 
 ); 
 // Some other code continues here, but should not execute once the if block in .each is true

Edit: I checked with the following code:

function AddMedRow(brand, generic, dose, doseunits, freq, durn, durnunit, instrn) 
 dontiterate = false
 $(".DrugRow").each(function () 
 id = $(this).attr('id');
 console.log("id is " + id);
 // If this row is empty, can add here 
 count = id.replace("DrugRow", "");
 count = Number(count)
 if ($("#brand" + count).val() == "" && $("#generic" + count).val() == "") 
 $("#brand" + count).val(brand)
 dontiterate = true
 console.log("Let's see if we can break out without a control variable")
 return false
 
 );
 if (dontiterate) 
 console.log("Not iterating because we are checking a control variable.")
 return true
 

The result:

id is DrugRow1
Let's see if we can break out without a control variable
Not iterating because we are checking a control variable.

That means returning true or false from within .each doesnt do anything. You need to use a control variable or flag

javascript jquery

share|improve this question

edited Mar 8 at 2:40

Joel G Mathew

asked Mar 8 at 2:09

Joel G MathewJoel G Mathew

2,15292847

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  return false instead, take a look at this: stackoverflow.com/questions/1784780/…
  
  – Dan Oswalt
  Mar 8 at 2:16
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What a neat trick, thank you for this link
  
  – Quentin C
  Mar 8 at 2:17
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Possible duplicate of How to break out of jQuery each Loop
  
  – Louys Patrice Bessette
  Mar 8 at 2:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @DanOswalt I dont see the false doing anything. If we set a control variable/flag and check for it outside the .each, that is doing the trick
  
  – Joel G Mathew
  Mar 8 at 2:35
  

  
  
  
  

add a comment | 

0

Note: The suggested question is not exactly a duplicate, but one of the answers in there does provide a solution.

My annotated code is as follows:

function AddMedRow(brand, generic, dose, doseunits, freq, durn, durnunit, instrn) 
 $(".DrugRow").each(function () 
 id = $(this).attr('id'); 
 count = Number(id.replace("DrugRow", "")) 
 // If this row is empty, can add here
 if ($("#brand" + count).val() == "" && $("#generic" + count).val() == "") 
 $("#brand" + count).val(brand) 
 // I actually want to return true and break out of AddMedRow
 return true
 
 ); 
 // Some other code continues here, but should not execute once the if block in .each is true

Edit: I checked with the following code:

function AddMedRow(brand, generic, dose, doseunits, freq, durn, durnunit, instrn) 
 dontiterate = false
 $(".DrugRow").each(function () 
 id = $(this).attr('id');
 console.log("id is " + id);
 // If this row is empty, can add here 
 count = id.replace("DrugRow", "");
 count = Number(count)
 if ($("#brand" + count).val() == "" && $("#generic" + count).val() == "") 
 $("#brand" + count).val(brand)
 dontiterate = true
 console.log("Let's see if we can break out without a control variable")
 return false
 
 );
 if (dontiterate) 
 console.log("Not iterating because we are checking a control variable.")
 return true
 

The result:

id is DrugRow1
Let's see if we can break out without a control variable
Not iterating because we are checking a control variable.

That means returning true or false from within .each doesnt do anything. You need to use a control variable or flag

javascript jquery

share|improve this question

edited Mar 8 at 2:40

Joel G Mathew

asked Mar 8 at 2:09

Joel G MathewJoel G Mathew

2,15292847

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  return false instead, take a look at this: stackoverflow.com/questions/1784780/…
  
  – Dan Oswalt
  Mar 8 at 2:16
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What a neat trick, thank you for this link
  
  – Quentin C
  Mar 8 at 2:17
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Possible duplicate of How to break out of jQuery each Loop
  
  – Louys Patrice Bessette
  Mar 8 at 2:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @DanOswalt I dont see the false doing anything. If we set a control variable/flag and check for it outside the .each, that is doing the trick
  
  – Joel G Mathew
  Mar 8 at 2:35
  

  
  
  
  

add a comment | 

Note: The suggested question is not exactly a duplicate, but one of the answers in there does provide a solution.

My annotated code is as follows:

function AddMedRow(brand, generic, dose, doseunits, freq, durn, durnunit, instrn) 
 $(".DrugRow").each(function () 
 id = $(this).attr('id'); 
 count = Number(id.replace("DrugRow", "")) 
 // If this row is empty, can add here
 if ($("#brand" + count).val() == "" && $("#generic" + count).val() == "") 
 $("#brand" + count).val(brand) 
 // I actually want to return true and break out of AddMedRow
 return true
 
 ); 
 // Some other code continues here, but should not execute once the if block in .each is true

Edit: I checked with the following code:

function AddMedRow(brand, generic, dose, doseunits, freq, durn, durnunit, instrn) 
 dontiterate = false
 $(".DrugRow").each(function () 
 id = $(this).attr('id');
 console.log("id is " + id);
 // If this row is empty, can add here 
 count = id.replace("DrugRow", "");
 count = Number(count)
 if ($("#brand" + count).val() == "" && $("#generic" + count).val() == "") 
 $("#brand" + count).val(brand)
 dontiterate = true
 console.log("Let's see if we can break out without a control variable")
 return false
 
 );
 if (dontiterate) 
 console.log("Not iterating because we are checking a control variable.")
 return true
 

The result:

id is DrugRow1
Let's see if we can break out without a control variable
Not iterating because we are checking a control variable.

That means returning true or false from within .each doesnt do anything. You need to use a control variable or flag

javascript jquery

share|improve this question

edited Mar 8 at 2:40

Joel G Mathew

asked Mar 8 at 2:09

Joel G MathewJoel G Mathew

2,15292847

function AddMedRow(brand, generic, dose, doseunits, freq, durn, durnunit, instrn) 
 $(".DrugRow").each(function () 
 id = $(this).attr('id'); 
 count = Number(id.replace("DrugRow", "")) 
 // If this row is empty, can add here
 if ($("#brand" + count).val() == "" && $("#generic" + count).val() == "") 
 $("#brand" + count).val(brand) 
 // I actually want to return true and break out of AddMedRow
 return true
 
 ); 
 // Some other code continues here, but should not execute once the if block in .each is true

function AddMedRow(brand, generic, dose, doseunits, freq, durn, durnunit, instrn) 
 dontiterate = false
 $(".DrugRow").each(function () 
 id = $(this).attr('id');
 console.log("id is " + id);
 // If this row is empty, can add here 
 count = id.replace("DrugRow", "");
 count = Number(count)
 if ($("#brand" + count).val() == "" && $("#generic" + count).val() == "") 
 $("#brand" + count).val(brand)
 dontiterate = true
 console.log("Let's see if we can break out without a control variable")
 return false
 
 );
 if (dontiterate) 
 console.log("Not iterating because we are checking a control variable.")
 return true
 

id is DrugRow1
Let's see if we can break out without a control variable
Not iterating because we are checking a control variable.

share|improve this question

edited Mar 8 at 2:40

Joel G Mathew

asked Mar 8 at 2:09

Joel G MathewJoel G Mathew

2,15292847

share|improve this question

edited Mar 8 at 2:40

Joel G Mathew

asked Mar 8 at 2:09

Joel G MathewJoel G Mathew

2,15292847

asked Mar 8 at 2:09

Joel G MathewJoel G Mathew

2,15292847

asked Mar 8 at 2:09

Joel G MathewJoel G Mathew

2,15292847