JSFiddle - React, Tailwind, and code Playground

by karthick Chandran

JavaScript

var fruits = ['Apple', 'Banana'];

fruits.forEach(function(item, index, array) {

//alert(item);
//alert(array);
  console.log(item, index);
});


var arr = [];
var len = 20;
for (var i = 0; i < len; i++) {
    arr.push({
        key: i,
        sortable: 'www' + i,
        resizeable: 'yyy'+i
    });
}
   // alert(arr[5].sortable);
     alert(arr.length)
    
    arr.splice(5, 1);
    
    alert(arr.length);
    
var res = arr.findIndex(function (element) {
//alert(element.key);
     if (element.key == 5)
                                    {
             element.sortable =  'My changed value'
                                    }
                                    
                        return element;
                           });
        if(res == 0 )
        {
        
        
        
        }
                           
      // alert(arr[1].sortable);
      // alert(res);