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 have a question regarding the native Array.forEach implementation of JavaScript: Does it behave asynchronously? For example, if I call: [many many elements].forEach(function () {lots of work to do}) Will this be non-blocking?...
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...
I am trying to remove an element in an array in a forEach loop, but am having trouble with the standard solutions I've seen. This is what I'm currently trying: review.forEach(function(p){ if(p === '\u2022 \u2022 \u2022'){...
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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