Reactjs How to stop the loop

Question

I've been wondering how to stop your loop, like break in some programming languages but in React js seems don't working.

something like this:

loop(){
  if(){
    //meet the if statement end the loop.
    break;  //not working.
  }
}

no actually the loop is a fetch from the server using aPI.

More detail about how this loop function is called is required for you to get a good answer. — Canastro
– Canastro, Commented Oct 4, 2017 at 7:47
sorry the loop is a fetch statement from the server using API. — Dave Niaga Lape
– Dave Niaga Lape, Commented Oct 4, 2017 at 7:56

Soviut · Accepted Answer · 2017-10-04 07:43:15Z

10

Your loop() is actually a function which you can return from in order to escape it.

loop(){
  if(){
    return;
  }
}

answered Oct 4, 2017 at 7:43

Soviut

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3 Comments

Ved Over a year ago

return is not a solution if there are more other loop after this.

Soviut Over a year ago

@Ved without more detail from the OP, this is the only possible solution.

Ved Over a year ago

I agree with you.

Ved · Accepted Answer · 2017-10-04 10:48:15Z

2

You can create a exit statement for if . And break do not work with if condition.

   loop(){
     let breakCondition = false;
      if(actualCondition && !breakCondition ){
        //here actualCondition  is the expression you are using in if.
         breakCondition  = true

      }
    }

And If there is no other code below the if condition than check @Soviut answer.

edited Oct 4, 2017 at 10:48

answered Oct 4, 2017 at 7:49

Ved

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3 Comments

agm1984 Over a year ago

I think break in JavaScript is only used inside a switch case?

Ved Over a year ago

break condition can be used inside for loop.

Soviut Over a year ago

break can be used inside any loop including for and while

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