Baseline Widely available
The beforeprint
event is fired when the associated document is about to be printed or previewed for printing.
The afterprint
and beforeprint
events allow pages to change their content before printing starts (perhaps to remove a banner, for example) and then revert those changes after printing has completed. In general, you should prefer the use of a @media print
CSS at-rule, but it may be necessary to use these events in some cases.
Use the event name in methods like addEventListener()
, or set an event handler property.
addEventListener("beforeprint", (event) => { })
onbeforeprint = (event) => { }
Event type
A generic Event
.
Using addEventListener()
:
window.addEventListener("beforeprint", (event) => {
console.log("Before print");
});
Using the onbeforeprint
event handler property:
window.onbeforeprint = (event) => {
console.log("Before print");
};
Specifications Browser compatibility See also
afterprint
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