How can I loop through all the entries in an array using JavaScript?  I thought it was something like this:  forEach(instance in theArray)   Where theArray is my array, but this seems to be incorrect....

I want to iterate over some DOM elements, I'm doing this:  document.getElementsByClassName( "myclass" ).forEach( function(element, index, array) {   //do stuff });   but I get an error: document.getElementsByClassName("myclass")...

I was looking at some snippets of code, and I found multiple elements calling a function over a node list with a forEach applied to an empty array.  For example I have something like:  [].forEach.call( document.querySelectorAll('a'), functi...

I was wondering what the 'this' value (or invocation context) is of the forEach callback function. This code doesn't seem to work:  var jow = [5, 10, 45, 67];  jow.forEach(function(v, i, a){      this[i] = v + 1;  });  alert(jow);   Thx...

I have this code which is supposed to iterate over each item in an array, removing items based on some condition:  //iterate over all items in an array //if the item is "b", remove it.  var array = ["a", "b", "c"];...

I was working on a short script to change <abbr> elements' inner text, but found that nodelist does not have a forEach method.  I know that nodelist doesn't inherit from Array, but doesn't it seem like forEach would be a useful me...

How can I loop through all the entries in an array using JavaScript?  I thought it was something like this:  forEach(instance in theArray)   Where theArray is my array, but this seems to be incorrect....

Is there an easy way to slow down the iteration in a forEach (with plain javascript)? For example:  var items = document.querySelector('.item');  items.forEach(function(el) {   // do stuff with el and pause before the next el; });...

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I am running a forEach loop on an array and making two calls which return promises, and I want to populate an object say this.options, and then do other stuff with it. Right now I am running into the async issue if i use the following code sample and...