Increment visitor count and update the localStorage This case is handled by initializing the visitCount to 1 and adding the entry using tItem(“”) with “page_view” as the key. The localStorage entry is absent during first user session, hence localStorage.getItem(“page_view”) will return undefined. Initialize visitor count to 1 in localStorage if entry is not found var visitCount = localStorage.getItem("page_view") 4. Learn more about localStorage and its methods from tiny.cloud/blog/javascript-localstorage/. The value is stored in localStorage of the web browser and persists the data beyond a single session. Now we retrieve the previous value of website visitor count from localStorage by using the localStorage.getItem() method by passing key “page_view” as a parameter. Retrieve visitor count using LocalStorage.getItem() var counterContainer = document.querySelector(".website-counter") 3.
Learn more about querySelector from /Document/querySelector. The next step is to use document.querySelector() to match the HTML element with the class “website-counter” and assign it to a variable for future DOM manipulation operations. DOM querySelector() to match the container using JavaScript In addition, we need to add another with class “ website-counter” with empty content for displaying visitor count using JavaScript. The title text is added to HTML file by adding wrapping it in.
Create container to visitor count using HTML code We will first start with creating HTML structure and then integrated it with JavaScript functionality which is followed by adding CSS styles.
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