TL/DR –
The article content is composed of the HTML and JavaScript code used to configure a webpage. It includes instructions for handling various elements of a website such as printable parts, PDFs, images, HTML elements, JSON data, CSS styles, and user interactions like mouse clicks and scrolling. It also includes configurations for functionalities like newsletter block placement, comment count for posts, social sharing options, and displaying or hiding certain elements based on user interaction or specified conditions.
Struggling with PrintJS on Firefox, Internet Explorer, and Edge
Currently, PrintJS doesn’t support PDF printing in Firefox, Internet Explorer, and Edge. This can cause setbacks for users of these browsers. However, there’s a workaround: you can use the Common Dreams method. Common Dreams has created a Blob object, which is then passed to window.URL.createObjectURL to create an object URL. This URL is then set as the source of the iframe.
PrintJS Functionality with HTML Elements
PrintJS can print HTML elements, raw HTML, images, and JSON. However, make sure the HTML element you want to print exists and has a valid ID. If it doesn’t, PrintJS will throw an error.
Generating a PDF from Base64 String
To generate a PDF from a base64 string, use the print function of PrintJS. If the base64 property of the print job is set to true, PrintJS will convert the base64 string to a Uint8Array, which is then passed to the l function. This function creates a new Blob object from the array buffer and creates an object URL. The URL is then set as the source of the iframe.
Creating a New HTML Element for PrintJS
To create a new HTML element for PrintJS, use the print function. This creates a new div element, sets its style to have a width of 100%, and sets its innerHTML to the printable property of the print job. The new element is then passed to the send function of PrintJS.
Printing Multiple Images with PrintJS
If you need to print multiple images with PrintJS, you can use an array of URLs. For each URL in the printable property, a new img element is created, and the src attribute of the img element is set to the URL. The img element is then appended to a new div element, which is passed to the send function of PrintJS. If you want to add a header to the print job, use the Common Dreams addHeader method.
Printing JSON Data with PrintJS
PrintJS can also print JSON data. However, the JSON object needs to be well-formed, and the repeatTableHeader attribute needs to be a boolean. The properties attribute should be an array of objects, each with field and displayName properties. You can also specify the width of each column with the columnSize property. PrintJS will throw an error if these conditions are not met.
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