[Solved] How to sum an array value at specific index ranges [closed]

var words = [“Player “, “1”, “Player “, “2”, “Player “, “3”, “Position”, “In/Our”, “Position”, “In/Our”, “Position”, “In/Our”, “2”, “1”, “11”, “0”, “10”, “0”, “6”, “0”, “10”, “1”, “5”, “1”, “8”, “1”, “11”, “1”, “11”, “0”, “3”]; var index=0; var results = words.filter(word => {index= words.indexOf(word,index)+1;return ((index-1) % 6) == 0;}); console.log(results); Then you can … Read more

[Solved] Using JS how can I select a HTML 5 element?

For that you could use querySelector, which takes a CSS selector as a parameter var element = document.querySelector(“nav”); element.classList.add(“mystyle”); If that nav is a child of e.g. a header, you could add its selector to grab only nav that is within such parent var element = document.querySelector(“header nav”); element.classList.add(“mystyle”); It is situations like the latter … Read more

[Solved] appendChild method in a simple carousel with pure JavaScript [closed]

Change this line: var firstChild = parent.firstChild; … to this: var firstChild = parent.firstElementChild; Otherwise, you’ll sometimes be grabbing the whitespace text nodes. You don’t need the following code, because appendChild will automatically move firstChild: parent.removeChild( firstChild ); Finally, reset the container’s left to 0 here: parent.appendChild(firstChild); parent.style.left= 0; Otherwise, the -150px offset will cause … Read more

[Solved] Alternate casing for a string algorithm

You can create a regex to capture words and process using your function to parse individual words. For demonstration purpose, I have used the regex: /[a-z0-9]/gi (assuming you will have only alphanumeric characters in a word. Please update the regex if you can have other characters as well.) Following is a sample: function toCapitalize(s) { … Read more

[Solved] Convert Yards to Miles, Furlongs and Yards

Never mind, figured it out. const furlongToYard = 220; const mileToYard = 1760; class Distance { yardsToMilesAndFurlongsReadable(yards) { let miles = Math.floor(yards / mileToYard); yards = yards % mileToYard; let furlongs = Math.floor(yards / furlongToYard); yards = yards % furlongToYard; return `${miles > 0 ? miles + ‘m’ : ”} ${furlongs > 0 ? furlongs … Read more

[Solved] simple JavaScript code to show and hide data

To toggle the div this is the code using Javascript. document.getElementById(“hide”).onclick=function(){ document.getElementById(“data”).style.display=”none”; } document.getElementById(“show”).onclick=function(){ document.getElementById(“data”).style.display=”block”; } <div id=”data”> this is some data </div> <input type=”button” id=”show” value=”show data”> <input type=”button” id=”hide” value=”hide data”> solved simple JavaScript code to show and hide data

[Solved] I have an error with audiotracks on javascript, an error with “lenght”

Seeing as the comment is being ignored According to documentation HTMLMEdiaElement.audioTracks is only available in Edge Safari Opera Firefox (if specifically enabled) It’s not at all available in Chrome and most likely not in Internet Exploder At a guess, you are using one of the 3 browsers this property is NOT available in Which is … Read more

[Solved] JS code not working because of bad placement

if you want to run a javascript code on finish loading, a best practice is to make a function that is called in the onload method. HTML Code <body onload=”changediv(‘2’);”> <div id=”1″>11111111111 1111111111111 111111111</div> <div id=”2″>222222c 2222222222222 22222222</div> <div id=”3″>23333333 3 333 3 3 3 3 3 33333 3</div> <div id=”4″>4444 4 4 44444 4 … Read more