Jquery check if array 2 use all values array 1

Question

i'm trying to check if the array1 use all values of my array2, if false return error message, but my array1.length is not equal to array2.length , i'm searching for hours to know why. Can someone help me? and if the problem does not come from there, anyone can tell me my mistake ?

function controlUserInput(inputText, appLang) {
 const regex = /\$[^$]*\$/gm;
const str = $('#formulaire-preview-textarea').val();
let m;
 var array =  populateVariable(appLang);
 
while ((m = regex.exec(str)) !== null) {
    // This is necessary to avoid infinite loops with zero-width matches
    if (m.index === regex.lastIndex) {
        regex.lastIndex++;
    }
    // The result can be accessed through the `m`-variable.
    m.forEach((match, groupIndex) => {
        console.log(`Found match, group ${groupIndex}: ${match}`);
  var isEqual = match.length==array.length;
  // for (i=0; i<=array.length-1;i++){
   if(displayCpt == 4 && isEqual && Array.from(match).every(function(paramInMatch){
    return $.inArray(paramInMatch, array) != -1; 
   })){
    osapi.jive.core.container.sendNotification({
    "message": "Toutes les valeurs rentrées sont correctes",
    "severity": "success"
    });
   }else{
    osapi.jive.core.container.sendNotification({
    "message": "Vous n'avez pas utilisé toutes les valeurs",
    "severity": "error"
    });
   } 
  // }
 })
    };
}

To make sure, is your `array` variable an array of characters (forming a single String)? or is it an array of Strings? — Rodrigo Ferreira, Jul 01 '18 at 22:17
my array "match" get all values that the user has returned ( all values of textarea that are between $ $ ) and my second array "array" contain : $Champ 1$,$Champ 2$,$Tel$,$option 1$,$Optin 2$ — Willy Nguyen, Jul 01 '18 at 22:32
That would be the problem, when you are iterating over `m`, a String is stored in `match`, then you are comparing a String vs an array of Strings — Rodrigo Ferreira, Jul 01 '18 at 22:37

Rodrigo Ferreira · Answer 1 · 2018-07-01T22:47:50.593

Edit:

When you are trying to iterate over all the elements of m, a single String is stored in match so when you are trying to compare with array it fails.

Instead of iterating over all the elements of m, the solution would be:

if (
  m.length === array.length &&
  m.every(el => array.includes(el))
) {
  osapi.jive.core.container.sendNotification({
    message: 'Toutes les valeurs rentrées sont correctes',
    severity: 'success'
  });
} else {
  osapi.jive.core.container.sendNotification({
    message: "Vous n'avez pas utilisé toutes les valeurs",
    severity: 'error'
  });
}

Hope it helps!

Original Answer

If you want to check if every element of an array is used in another array you may have two approaches:

Arr2 is a SubSet of Arr1

const arr1 = [1, 2, 3, 4, 5, 6];
const arr2 = [1, 2, 5, 6];

function isSubSet(subSet, wholeSet) {
  return subSet.every(el => wholeSet.includes(el));
}

console.log(isSubSet(arr2, arr1)); // returns true

Arr2 contains all elements of Arr1

const arr1 = [1, 2, 3, 4, 5, 6];
const arr2 = [1, 2, 5, 6];
const arr3 = [1, 2, 5, 6, 3, 4];

function isWholeSet(subSet, wholeSet) {
  return (
    subSet.length === wholeSet.length &&
    subSet.every(el => wholeSet.includes(el))
  );
}

console.log(isWholeSet(arr2, arr1)); // returns false
console.log(isWholeSet(arr3, arr1)); // returns true

Jquery check if array 2 use all values array 1

1 Answers1

Edit:

Original Answer

Arr2 is a SubSet of Arr1

Arr2 contains all elements of Arr1

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