JavaScript Iterate over array inside map function in react-native iterate over array javascript,iterate over array python,iterate over

I have a function:

renderConversations(){
    let conversationContent = this.state.conversationArray.map((convObj, i) => {
      return <View key={i} style={[globalStyle.conversationContainer,globalStyle.shadow]}>
        <Text style= {globalStyle.conversationText}>{ convObj.text }</Text>
        <Text style= {globalStyle.conversationText}>{ convObj.actionButtons }</Text>
      </View>                            
    })
    return conversationContent
  }

I'm rendering the component using this function depending on the state variable. A challenge I'm facing is convObj.actionButtons here is an array. I want to iterate over that inside the map function to build the component. Is there a way to do this inside the map function, or do I need to use the good old for loop?

Answer:1

Is there a way to do this inside the map function?

Yes that will be the correct way of creating the ui elements dynamically. Use map again and create the elements.

Check this example:

renderConversations(){
    let conversationContent = this.state.conversationArray.map((convObj, i) => {
        return <View key={i} style={[globalStyle.conversationContainer,globalStyle.shadow]}>
            <Text style= {globalStyle.conversationText}>{ convObj.text }</Text>
            <Text style= {globalStyle.conversationText}>
                { 
                    convObj.actionButtons.map((el, j) => {

                        return /*Code*/

                    }) 
                }
            </Text>
        </View>                            
    })
    return conversationContent
}

do I need to use the good old for loop?

You can use that also but using map will be easy, because directly we can't use for loop inside JSX, so you need to create another function and put all the for loop logic inside that and call that function from map.

Like this:

renderConversations(){
    let conversationContent = this.state.conversationArray.map((convObj, i) => {
        return <View key={i} style={[globalStyle.conversationContainer,globalStyle.shadow]}>
            <Text style= {globalStyle.conversationText}>{ convObj.text }</Text>
            <Text style= {globalStyle.conversationText}>
                { 
                    this._fun(convObj.actionButtons)
                }
            </Text>
        </View>                            
    })
    return conversationContent
}


_fun(item){
    //for loop here and return the elements
}
Answer:2

I know of this question: Convert relative path to absolute using JavaScript But it is about JavaScript that runs in a browser. My JS runs on Windows (WSH). That means I don't have the following ...

I know of this question: Convert relative path to absolute using JavaScript But it is about JavaScript that runs in a browser. My JS runs on Windows (WSH). That means I don't have the following ...

  1. convert relative path to absolute path
  2. convert relative path to absolute path python
  3. convert relative path to absolute path bash
  4. convert relative path to absolute path java
  5. convert relative path to absolute path powershell
  6. convert relative path to absolute path c#
  7. convert relative path to absolute path nodejs
  8. convert relative path to absolute path javascript
  9. convert relative path to uri
  10. linux convert relative path to absolute
  11. php convert relative path to absolute
  12. cmake convert relative path to absolute
  13. node convert relative path to absolute
  14. shell convert relative path to absolute
  15. matlab convert relative path to absolute
  16. svg convert relative path to absolute
  17. perl convert relative path to absolute
  18. ansible convert relative path to absolute
  19. ruby convert relative path to absolute
  20. makefile convert relative path to absolute

Angular has these for DOM manipulation but I'm contemplating using jQuery for these functions: closest()/children(). So, Is there an angular function that is identical to jQuery's function closest() ...

Angular has these for DOM manipulation but I'm contemplating using jQuery for these functions: closest()/children(). So, Is there an angular function that is identical to jQuery's function closest() ...

Wasn't quite sure how to title the question. Nonetheless - consider you have the following statement if (messageOne || messageTwo || messageThree || messageFour) { // do something here ... } How ...

Wasn't quite sure how to title the question. Nonetheless - consider you have the following statement if (messageOne || messageTwo || messageThree || messageFour) { // do something here ... } How ...

  1. javascript first value in array
  2. javascript first value in object
  3. javascript first value
  4. javascript first value not null
  5. javascript get first value of object
  6. javascript get first value of array
  7. javascript split first value
  8. javascript find first value in array
  9. javascript remove first value from array
  10. javascript map first value
  11. javascript get first value of map
  12. javascript get first value of dictionary
  13. javascript get first value
  14. javascript reduce first value
  15. javascript get first value of associative array
  16. javascript return first value of array
  17. javascript get first value of json
  18. javascript select first value
  19. javascript get first value of set
  20. javascript dictionary first value

I'm new to JavaScript, and I'm trying to create a simple hide and show div toggle, though it's not working. I'm not sure what the issue is -- I have the div initially display:none, then when the ...

I'm new to JavaScript, and I'm trying to create a simple hide and show div toggle, though it's not working. I'm not sure what the issue is -- I have the div initially display:none, then when the ...

  1. simple jquery toggle
  2. simple jquery toggle accordion
  3. simple jquery toggle menu
  4. simple jquery toggle button
  5. jquery simple toggle show hide
  6. simple toggle switch jquery