I'm trying to usequerySelector()with multiple attributes and I don't understand why it doesn't work. alert(document.querySelectorAll('article[data-id='+id+'][data-color='+color+']')); It seems to be thedata-colorwhich generates the problem : it returnsnullwhereas I the element exis...
QuerySelector() to Navigate HTML The QuerySelector() method is used to query a DOM element that matchs a CSS selector. It returns the first element in the document that matches the specified selector. If no matches are found, null is returned. In the following example, we use CSS Elem...
For the empty state to work, we need to remove the final <li> item from <ul>. If you use plain JavaScript, you can do this with removeChild. const ul = document.querySelector('ul') const li = ul.children[0] ul.removeChild(li) removeChild will produce HTML that contains whitespaces...
I'm trying to call an API, where I need (for starters) 2 queries (M code). For this, the 2nd query calls an outcome from the 1st query. However, I get the error message in doing so: "[Expression.Error] We cannot apply operators & to types Text and Table". When I execute the...
For example, if you wanted to submit an HTML form with two fields - name and email - your code might look like this: fetch('https://www.example.com/submit-form', { method: 'POST', // Specify the HTTP method body: new FormData(document.querySelector('form')) // Collect form data...
I have two data sets (1) Scheduled Customer Orders and (2) Open Customer Orders and I need to match and retrieve customer name and corresponding open order...
querySelector(target); target.appendChild(this.element); };Handy javascript constructor tip: you can include a this instanceof Widget check like above to let people consume your module with new Widget or Widget(). It's nice because it hides an implementation detail from your API and you ...
Learn techniques to extend the standard LINQ methods. Query based on runtime state, modify query objects, and extend LINQ capabilities.
varform=document.querySelector("#voting-form");varselect=document.querySelector("#emoji_choice");// When the form is submitted...form.addEventListener("submit",function(event){event.preventDefault();// POST the dataaxios.post(airtable_write_endpoint,{"fields":{"Emoji Choice":select.options[se...
feed.dataPromise.then(function(articlesResponse){vararticleSyndication = articlesResponse.responseXML;// Get the blog title and last updated date.if(articleSyndication) {// Get the blog title and last updated date.feed.title = articleSyndication.querySelector("feed > title").textContent;vards = ...