


How to control the top and end of pages in browser printing settings through JavaScript or CSS?
Apr 05, 2025 pm 10:39 PMCan JavaScript and CSS control the header and footer of the browser's printing settings?
Many developers want to use JavaScript or CSS to control header footer settings in browser printing dialogs, such as unchecking by default or customizing header footer content. However, this is not an easy task, and this article will explore its feasibility and limitations in depth.
Problem Overview
The goal is to control the header and footer options in the browser printing settings through code. The specific requirements are:
- Header footer is disabled by default: Header footer is not displayed by default when printing.
- Custom header footer with
@media print
: Custom header footer content with@media print
style rules, but this method does not work when using theprintJS
plugin.
The code snippets provided by the user are as follows:
html2canvas(this.$refs.templateToImg, { backgroundColor: null, useCORS: true, windowHeight: document.body.scrollHeight, }).then(canvas => { dom.style.height = 'calc(100vh - 400px)' dom.style.overflow = 'auto' const url = canvas.toDataURL('image/jpg') this.img = url const styles = "@media print { @page {height: 100%;@top-left {content: 'top content';}@bottom-center {content: 'footer content';}}}" printJS({ printable: url, type: 'image', documentTitle: this.previewTitle(), style: styles, onLoadingEnd: () => { this.printLoading = false dom.style.height = 'auto' dom.style.overflow = 'visible' } }) })
Solutions and limitations
The key is to understand the following points:
- Uncontrollability of browser printing settings: The browser printing settings (including headers and footers) are controlled by the browser itself or the operating system, and JavaScript and CSS cannot directly interfere.
- Limitations of
@media print
:@media print
can control the printing style, but cannot directly modify the browser's printing settings.printJS
plugin may ignore styles set through@media print
. - Features of
printJS
plug-in:printJS
is mainly used to print HTML content or pictures, and does not support directly modifying browser printing settings. In the code, I tried passing the@media print
style throughstyle
parameter, but it didn't work well inprintJS
.
Therefore, the conclusion is: JavaScript and CSS cannot directly control the header and footer options for the browser's printing settings. This falls within the scope of permissions of the browser and operating system.
To customize headers and footers, you can only add these elements directly to the print content and make sure they are visible when printed and are not affected by the print plugin. Developers need to give up the idea of ??directly controlling browser print settings and instead focus on implementing headers and footers in the print content itself.
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