IndexOf an associative array in javascript

Question

can someone tell me please how to get index of an associative array??

for example index of key:".launchPad-plankovy"??

        var droppableClasses = [
           {key:".stackDrop-plankovy", value:".card-plankovy"}, 
           {key:".launchPad-plankovy", value:".card-plankovy"}
        ];

Nenad Vracar · Accepted Answer · 2016-11-10 22:05:51Z

3

With ES6 you can use findIndex() like this.

var droppableClasses = [{
  key: ".stackDrop-plankovy",
  value: ".card-plankovy"
}, {
  key: ".launchPad-plankovy",
  value: ".card-plankovy"
}];

var index = droppableClasses.findIndex(function(e) {
  return e.key == '.launchPad-plankovy';
})

console.log(index)

answered Nov 10, 2016 at 22:05

Nenad Vracar

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