BlockSuite API Documentation / @blocksuite/blocks / on
Function: on() 
on(element, event, handler, options) 
on<
T,K,M>(element,event,handler,options?): () =>void
Type parameters 
• T extends HTMLElement
• K extends string | number | symbol
• M = HTMLElementEventMap
Parameters 
• element: T
• event: K
• handler: (ev) => void
• options?: boolean | AddEventListenerOptions
Returns 
Function
Returns 
void
Source 
packages/blocks/src/_common/utils/event.ts:34
on(element, event, handler, options) 
on<
T>(element,event,handler,options?): () =>void
Type parameters 
• T extends HTMLElement
Parameters 
• element: T
• event: string
• handler: (ev) => void
• options?: boolean | AddEventListenerOptions
Returns 
Function
Returns 
void
Source 
packages/blocks/src/_common/utils/event.ts:44
on(element, event, handler, options) 
on<
T,K,M>(element,event,handler,options?): () =>void
Type parameters 
• T extends Document
• K extends string | number | symbol
• M = DocumentEventMap
Parameters 
• element: T
• event: K
• handler: (ev) => void
• options?: boolean | AddEventListenerOptions
Returns 
Function
Returns 
void
Source 
packages/blocks/src/_common/utils/event.ts:50
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