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@slavafomin
Last active September 10, 2019 15:02
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Google Tag Manager script unminified
window['dataLayer'] = window['dataLayer'] || [];
window['dataLayer'].push({
'gtm.start': new Date().getTime(),
event: 'gtm.js'
});
const firstScriptElement = document.getElementsByTagName('script')[0];
const scriptElement = document.createElement('script')
scriptElement.async = true;
scriptElement.src = 'https://www.googletagmanager.com/gtm.js?id=GTM-1234567';
firstScriptElement.parentNode.insertBefore(scriptElement, firstScriptElement);
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