CODEWITHSUNDEEP
asp-classic
c00000fd
c00000fd

Reputation: 22255

What is the <%= tag?

I'm reviewing an old ASP classic code originally written by another developer. And I keep seeing the <%= tags. Can someone tell me what is it called? And what does it do?

PS. Googling <%= alone doesn't seem to work.

Upvotes: 1

Views: 222

Answers (2)

Shadow Wizard
Shadow Wizard

Reputation: 66389

This is officially called inline expression code render block as described here:

Code render blocks define inline code or inline expressions that execute when the page is rendered. There are two styles of code render blocks: inline code and inline expressions. Use inline code to define self-contained lines or blocks of code. Use inline expressions as a shortcut for calling the Write method.

As for what it does, as the other answer already describes it's a shortcut for calling the Response.Write method.

As for Google, it omits non-letters so it's not possible as far as I know to search for "<%".

Upvotes: 2

David
David

Reputation: 218808

Think of it like shorthand for Response.Write() (or shorthand for something like echo in PHP). This:

<div>
    <% Response.Write(someValue) %>
</div>

is essentially equivalent to this:

<div>
    <%= someValue %>
</div>

The = tells the interpreter to just emit that value to the output.

Upvotes: 5

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