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How to call JavaScript methods from the Blazor (.razor) pages?

You can call JavaScript methods from the Blazor pages with the help of JavaScript Interop by injecting the dependency IJSRuntime into the razor page.

[script.js]
function buttonClick() {
    // this function triggers on button click
}

Then refer the script in the HTML page of the blazor application.

<script src="~/script.js"></script>
[index.razor]
@page "/"
@inject IJSRuntime jsRuntime

<button @onclick="onbuttonclick"> Button  </button>

@code {
    protected void onbuttonclick (MouseEventArgs args)
    {
        await jsRuntime.InvokeVoidAsync<object>("buttonClick ");
    }
}

Check this link for more information.

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