I'm just wondering how to get all key values in localStorage.    I have tried to retrieve the values with a simple JavaScript loop  for (var i=1; i <= localStorage.length; i++)  {    alert(localStorage.getItem(i)) }   But it works only if th...

I'm not sure what I am doing wrong here. I want the enter key to work as well as clicking the button.  <form action="" method="get" class="priceOptionForm" name="priceOptionForm"> <input name="paypal_e...

Question is similar to: How can I check that two objects have the same set of property names? but only one difference  I want to check:  var objOne = {"a":"one","b":"two","c":{"f":"three_one"}};...

I am building a autocomplete feature for input text field. Currently I could use mouse click to choose the selection, I'd like to add keyboard control to allow autocomplete control. I monitored the keycode in onkeyup event, it appears for up/down...

I have an object that contains array of arrays. I was able to make it render the way I wanted. However, the React key is giving me trouble; throwing this "Warning: Each child in a list should have a unique "key" prop."  I have tried g...

This might be duplicated question, but I could not find any.  I wanna remove a key of an object.  Please check my fiddle first.  Remove a key of an object  delete obj.something;   When you check console, you'll be able to see the same object is p...

I'm wondering why the spec has defined Object.keys instead of Object.prototype.keys? it would surely be much better if the API was consistent, and I would like to understand why that is not the case.  Other methods are on Object.prototype, so wh...

I have been working on react for more than an year now. I have mostly played with iterating an array using .map, .forEach, .filter or using Object.keys and Object.values if it is an object.  But what are the different ways to add a unique key to jsx...

i am trying to store css values for transformations of multiple divs in a dictionary to access them when the div is clicked (the div id being the key of the dict).  my dictionary:  css_dict = {     'keyA' : ['10px, 15px', '20px...

Seems $.extend uses only the keys of its input to determine what to overwrite. So when my config looks like this  var config = {     "numeric" : false,     "keycode_whitelist" : [         37, 39, // Left, right         9,      // Tab...