History of Blob.type

FileList object does not provide forEach() function. Use standart for loop instead.

Used <var> instead of <em> for variables

fix compat parsing error; cleanup

apiref

Update grammar and put emphasis in exampleWeb/API/Blob.type Web/API/Blob/type

Update grammar and put emphasis in example

Use forEach function in example to make it more readable

the same reason as the previous change, null does not seem to be a valid return value for this, based on the spec.