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< title data-rh = "true" > EventEmitter.listenerCount() method | Puppeteer< / title > < meta data-rh = "true" name = "viewport" content = "width=device-width,initial-scale=1" > < meta data-rh = "true" name = "twitter:card" content = "summary_large_image" > < meta data-rh = "true" property = "og:url" content = "https://pptr.dev/api/puppeteer.eventemitter.listenercount" > < meta data-rh = "true" name = "docsearch:language" content = "en" > < meta data-rh = "true" name = "docsearch:counter" content = "2" > < meta data-rh = "true" property = "og:title" content = "EventEmitter.listenerCount() method | Puppeteer" > < meta data-rh = "true" name = "description" content = "Gets the number of listeners for a given event." > < meta data-rh = "true" property = "og:description" content = "Gets the number of listeners for a given event." > < link data-rh = "true" rel = "icon" href = "/img/favicon.ico" > < link data-rh = "true" rel = "canonical" href = "https://pptr.dev/api/puppeteer.eventemitter.listenercount" > < link data-rh = "true" rel = "alternate" href = "https://pptr.dev/api/puppeteer.eventemitter.listenercount" hreflang = "en" > < link data-rh = "true" rel = "alternate" href = "https://pptr.dev/api/puppeteer.eventemitter.listenercount" hreflang = "x-default" > < link data-rh = "true" rel = "preconnect" href = "https://DVKY664LG7-dsn.algolia.net" crossorigin = "anonymous" > < link rel = "search" type = "application/opensearchdescription+xml" title = "Puppeteer" href = "/opensearch.xml" > < link rel = "stylesheet" href = "/assets/css/styles.79ad2638.css" >
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