My array looks like this:
$scope.myArray = [{
columnName: "processed1",
dataType: "char"
}, {
columnName: "processed2",
dataType: "char"
}, {
columnName: "processed3",
dataType: "char"
}];
I'm trying to locate the index of an object where the property value matches "processed2"
Any suggestions on how I can achieve this? I attempted using the array.indexOf() method, but it returned -1
Utilize the method
Array#findIndex, ThefindIndex()function will return the index within the array if a specific condition provided by a testing function is met. If not found, it will return -1.
Array#indexOf should be avoided when dealing with arrays of objects because indexOf() uses strict equality comparison and for objects, it checks whether they refer to the same memory location.
var myArray = [{
columnName: "processed1",
dataType: "char"
}, {
columnName: "processed2",
dataType: "char"
}, {
columnName: "processed3",
dataType: "char"
}];
var index = myArray.findIndex(function(el) {
return el.columnName == 'processed2';
});
console.log(index);A basic for loop can be utilized in this scenario.
for(var x=0;x < $scope.dataArray.length; x++)
{
if($scope.dataArray[x].identifier == 'processed3') {
// Perform actions on located item
break;
}
}
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