HTML : <html> <body> <div id="a"> </div> </body> </html> Above is my simple html given and i wrote a function to add a children div in each div. function appendChildren() { var allDivs = document.getElementsByTagName("div"); console.log(allDivs) // [div#a, a: div#a]…
I trying to reverse user input, but I keep getting NaN. Please help. I entered the number 123 and was expecting 321 function reverseNumber(num) { // get user input num = document.getElementById("num-enter").value; // Convert the number to a string, reverse…
In general, those who worked with DOM, heard about insertion methods, for example, append, prepend and some others. I decided to study how the whatwg specification describes them and I encountered difficulties. This is what I am talking about (insert…
My js code is supposed to target the button class and add the cursor-hover-nav on my cursor class I tried adding a padding on my button and the script worked only when I hovered over the padding and not its…
I have a page hosted on a server which injects small portion of script to my index.html page and would like to remove this script before it runs. Simplified example looks like this <!doctype html> <html lang="en"> <body> <script id="removeme">…
i've just began my SWE bootcamp a few months ago and recently began learning about javascript i was working on an assessment but kept getting this question wrong and was hoping someone would be able to explain this to me:…
I have a HTML table generated with a <asp:GridView/> object via a VB.Net call that populates the table from a database query. The result is a table like this: <table id="myTab"> <tr><td>val1</td></tr> <tr><td>val2</td></tr> . . <tr><td>valN</td></tr> The javascript code is…
According to the documentation, the DOMDocument::loadHTML() method "returns true on success or false on failure". My first question is how can it fail? As well as correct HTML and very incorrect HTML, I have also tried feeding it complete, random,…
trying to create a Richt Texteditor in Javascript. I have a Tag <span class="text-3xl">Foo</span> and want to edit it to something like <span class="text-3xl">F</span><span class="text-sm">o</span><span class="text-3xl">o</span> My first attempt works, for inserting a Tag inside the other <span class="text-3xl">F<span class="text-sm">o</span>o</span>…
How is React able to update only the parts of the DOM that require updating (because they've changed) as opposed to re-rendering the entire DOM? From what I understand, regular HTML/Javascript web pages react to changes in the DOM by…