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Call JavaScript From Blazor Web Assembly

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Learn how to use JavaScript in your Blazor Web Assembly application using the JSRuntime. In this video I show how to invoke JavaScript code from C#, as well as how to call C# code from Javascript.
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Опубликовано:

27 авг 2024

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Комментарии : 11

@miles6875 Месяц назад

Great presentation

@RafaelGamerAll Месяц назад

Nice, but why all js functions start with "window.", its necessary?

@scriptbytes Месяц назад

It attaches the function to the browser's window object, effectively making them global.

@davidpereira4026 3 месяца назад

Which ide are you using to code?

@scriptbytes 3 месяца назад

Jet brains Rider

@jesperkped 3 месяца назад

Running dotnet 8.0.103 Nomatter how much I try to add my javascript to my index.html it does not show up in my loaded page. Using Firefox and the developer tools I don't even see it trying to be loaded. For a while it worked without any problems but now 3 days where I did not touch the project it suddenly is not loaded. ... ... I tried to move it down to where the blazor.webassembly.js script is loaded - and no changes. It is like that line is filtered out by the backend.

@scriptbytes 3 месяца назад

We’ve got dotnet 8 apps running at work with js in them and haven’t had this issue, so I’m not sure what it might be. I hope you find a fix!

@stevenvillarreal8970 Месяц назад

I found that sometimes having the line "@rendermode InteractiveServer" at the top of the page (in this case it would be JSDemo.razor) makes it so the page has interactive elements.

@SupriyaDeshmukh-nl8si Месяц назад

i dont have index.cshtml page. I just have app.razor

@scriptbytes Месяц назад

My demo is using blazor WASM. I assume yours is a server side app? I haven't done this with a server app, but I think as long as you put the js link in whichever file has the tag in it, I think it'll work.