This SPFx functionality helps to inject your custom JavaScript file in your modern site pages on page load.
[code lang=”c”]
export default class MySPFXApplicationCustomizer
extends BaseApplicationCustomizer<IMySPFXApplicationCustomizerProperties> {
private _customJsUrl: string = “https://sharepointdomain.net/scripts/MyCustonScript.js”;
@override
public onInit(): Promise<void> {
let scriptTag: HTMLScriptElement = document.createElement(“script”);
scriptTag.src = this._customJsUrl;
scriptTag.type = “text/javascript”;
document.getElementsByTagName(“head”)[0].appendChild(scriptTag);
return Promise.resolve<void>();
}
}
[/code]
This solution is brought to you by our SharePoint professionals.
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