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Split an object into arrays


Split an object into arrays

By : Pam Ameen
Date : November 14 2020, 04:51 PM
like below fixes the issue I don't see why it would work even with just one parameter, as you're using the wrong arguments object.
Instead (see comments):
code :
// Where magic happens
$.fn.pskChart = function(params) {
    var args; // **Change** We'll use this below
    if (methods[params] != undefined) {
        if (this.length > 0) {
            // **Change** Grab the arguments here, in the `pskChart` function
            args = Array.prototype.slice.call(arguments, 1);
            return $(this).each(function(i) {
                // **Change** Use them here; you can't use `arguments` here
                // because, it will be the arguments to this anonymouus
                // function, not the ones to `pskChart`
                return methods[params].apply($(this), args);
            });
        }
    } else {
        $.error("Method " + params + " doesn't exist for pskChart");
    }
}
return methods[params].apply($(this), args);
return $(this).each(function(i) {
// Where magic happens
$.fn.pskChart = function(methodName) {
    var args, method = methods[methodName];

    if (!method) {
        // Throws
        $.error("Method " + params + " doesn't exist for pskChart");
    }

    if (this.length > 0) {
        args = Array.prototype.slice.call(arguments, 1);
        this.each(function() {
            method.apply($(this), args);
        });
    }

    return this;
};


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Split arrays from object and use in underscore template

Split arrays from object and use in underscore template


By : VictorN
Date : March 29 2020, 07:55 AM
I hope this helps . You can get kept and passed in template because these are object properties, like this
code :
  <script type="text/template" id="tpl">
    <h1>kept</h1>  
    <% _.each(data.kept, function(el) { %>
      <p><%= el.name %></p>
      <p><%= el.image %></p>
      <p><%= el.name %></p>
    <% }); %>

    <h1>passed</h1>  
    <% _.each(data.passed, function(el) { %>
      <p><%= el.counter %></p>
      <p><%= el.image %></p>
      <p><%= el.name %></p>
    <% }); %>
  </script>

_.template($('#tpl').html(), {data: data})
(javascript) Is it possible to split an array of different object types into multiple arrays of one object type

(javascript) Is it possible to split an array of different object types into multiple arrays of one object type


By : tobias.loew
Date : March 29 2020, 07:55 AM
it helps some times Suppose you have a list of objects that have different properties like so:
code :
var placesOrPeople = [
    { name: 'Seymour Skinner', occupation: 'Principal' },
    { name: 'Kwik-E-Mart', lat: 23, long: 100 },
    { name: 'Sideshow Bob', occupation: 'Comic Foil' },
    { name: 'Flaming Tyre Yard', lat: 12, long: 88 },
    { name: 'Joe Quimby', occupation: 'Mayor' }
];
places = [
    { name: 'Kwik-E-Mart', lat: 23, long: 100 },
    { name: 'Flaming Tyre Yard', lat: 12, long: 88 }
];

people = [
    { name: 'Seymour Skinner', occupation: 'Principal' },
    { name: 'Sideshow Bob', occupation: 'Comic Foil' },
    { name: 'Joe Quimby', occupation: 'Mayor' }
];
var places = placesOrPeople.filter(function(currentPlaceOrPerson) {
    if (currentPlaceOrPerson.occupation !== undefined) {
        // it must be a person, since locations don't have occupations
        return true;
    } else {
        return false;
    }
});

var people = placesOrPeople.filter(function(currentPlaceOrPerson) {
    if (currentPlaceOrPerson.lat !== undefined && currentPlaceOrPerson.long !== undefined) {
        // it must be a place, since people don't have co-ordinates
        return true;
    } else {
        return false;
    }
});
Randomize and split object into 2 arrays

Randomize and split object into 2 arrays


By : Itovoki
Date : March 29 2020, 07:55 AM
it helps some times Make sure your object variable is an array. var element = [...youritems]; not sure if what you have will work: var element = {...your items...}; You can use this code to shuffle your array (The de-facto unbiased shuffle algorithm is the Fisher-Yates (aka Knuth) Shuffle.): How to randomize (shuffle) a JavaScript array?
code :
function shuffle(array) {
var currentIndex = array.length, temporaryValue, randomIndex;  
while (0 !== currentIndex) {

// Pick a remaining element...
randomIndex = Math.floor(Math.random() * currentIndex);
currentIndex -= 1;

// And swap it with the current element.
temporaryValue = array[currentIndex];
array[currentIndex] = array[randomIndex];
array[randomIndex] = temporaryValue;
}
return array;
}
    var half_length = Math.ceil(arrayName.length / 2);    
    var leftSide = arrayName.splice(0,half_length);
split an array with object to 2 arrays

split an array with object to 2 arrays


By : Robert English
Date : March 29 2020, 07:55 AM
help you fix your problem You could search for the array with the same continent and update this array or push a new array with the actual object.
code :
var array = [{ continent: "europe", fruit: "orange", value: 2 }, { continent: "asia", fruit: "banana", value: 2 }, { continent: "europe", fruit: "apple", value: 2 }, { continent: "asia", fruit: "apple", value: 5 }],
    grouped = array.reduce(function (r, o) {
        var group = r.find(([{ continent }]) => continent === o.continent)
        if (group) {
            group.push(o);
        } else {
            r.push([o]);
        }
        return r;
    }, []);
    
console.log(grouped);
.as-console-wrapper { max-height: 100% !important; top: 0; }
Split object into 2 arrays javascript

Split object into 2 arrays javascript


By : Asiri Paranagama
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further I've got an object like that , Here is the simplest way:-
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