How to Inject your Custom JavaScript in Modern Pages on Page Load

  • Posted by: Softree Technology

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]

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Author: Softree Technology

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