jquery indexof array code example

Example 1: jquery index of element

$("#wizard li").click(function () {
    console.log( $(this).index() );
});

Example 2: js get index of item in array

array.indexOf("item");

Example 3: index of value in array

// for dictionary case use findIndex 
var imageList = [
   {value: 100},
   {value: 200},
   {value: 300},
   {value: 400},
   {value: 500}
];
var index = imageList.findIndex(img => img.value === 200);

Example 4: how to get the index of an array in javascript

search = (arr, item) => { return arr.indexOf(item); }