why does some things work with browser and some not?

[daydreamer]

Hi
I am wonder why some HTML work and some don't in browser (chrome)
Background pic don't work browser,but work in tester?VS tester
unicode characters work,but not in my tester?
Should I use other characters set than utf8?

[TimoVJL]

What kind of picture format ?
https://www.w3schools.com/tags/att_body_background.asp

UTF-8 is preferred in html/xhtml ?

The chrome don't work well with UTF-16
An example: http://services.mtps.microsoft.com/ServiceAPI/catalogs/dev15/en-us

[daydreamer]

What kind of picture format ?
https://www.w3schools.com/tags/att_body_background.asp

UTF-8 is preferred in html/xhtml ?

The chrome don't work well with UTF-16
An example: http://services.mtps.microsoft.com/ServiceAPI/catalogs/dev15/en-us

thanks

[daydreamer]

fixed errors,seem PNG is prefered and found links to CSS and JS was pointing wrong
now I run into exceptions when put JS code into a function

[daydreamer]

it would be nice with feedback on this with many languages

[daydreamer]

I decided to try node.js,maybe if compiled to x86 could be first step to make asm version of script???