@vj2tech
web developer
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Nothing here yet.
Mar 26, 2023 · 1 min read · Adding multiple CSS styles to HTML elements using JavaScript const addStyles = (el, styles) => Object.assign(el.style, styles); addStyles(document.getElementById('my_id'), { background: 'red', color: '#ffff00', fontSize: '3rem' }); // before /...
Join discussionMar 16, 2023 · 1 min read · Here is the trick to access the swiper.js element which is already present in the website and then modify it instead of creating new instance of swiper.js To get access the swiper js instance with the below line. var abc = document.querySelector(".sw...
Join discussionMar 15, 2023 · 2 min read · Sometime, we need GTM object value to manipulate HTML DOM element as per DataLayer value loaded. Here is the trick to pull the data from the Data Layer object using Javascript We need to install Tag Assistant Legacy (by Google) extension for Chrome s...
Join discussionMar 14, 2023 · 1 min read · Undefined: It occurs when a variable has been declared but has not been assigned any value. var technology; // not assign any value console.log(technology) //undefined Using of typeof operator in javascript the error handling for undefined variati...
Join discussionJan 25, 2023 · 2 min read · Objective - To check whether the current browser tab is active or inactive using javascript Using Page Visibility API: This will work only when user switched to another tab/window document.hidden: When the page is focused, it returns false and when t...
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