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JavaScript Tests.

See "About This JavaScript Site" in JavaScript Index and Introduction.

Code will be added and removed from time to time; do not assume that anything will remain here. Code here is at best liable to be under-tested and at worst may be totally wrong. Good bits are likely to be put into Date and Time Introduction ff. or JavaScript General or JavaScript Maths or JavaScript Alarm. See notes at JavaScript Date and Time Introduction.

Body Font Tests

Font Size

* JavaScript here *

My Default Font
  normal normal medium Times New Roman

Generics

Families

Font
E.G. bold italic small Papyrus ; normal normal medium Helvetica

Body Style Test

fontFamily Pristina ; fontSize 70% background aqua

Dynamic Writing Tests

I now use function Wryt for this, previously it demonstrated function DynWrite from my file include1.js, much as was found in the news:comp.lang.javascript FAQ.

De-Framing

Redirection

Redirection Test - what should this do?.

General Functions

*.js Viewing

Work on-line only :-

• view http://www.merlyn.demon.co.uk/include1.js
• view http://www.merlyn.demon.co.uk/include2.js
• view http://www.merlyn.demon.co.uk/include3.js

I now put almost all code into functions, which are displayed by using the toString() method as illustrated in Index and Introduction.

Code generally used can be seen in Include Functions.

Start Script

Scope

Speed

To get more accurate results, copy the code and increase Loops.

Concatenation

Rounding

Big String Speed

???

var buf = []
for (...long loop...) { // ...
  buf.push("string to append") }
 ... buf.join("")

function SB() { this.buf = [] }

SB.prototype.Ap =
  function Ap(string) { this.buf.push(string)
  return this }

SB.prototype.toString =
  function toString() { return this.buf.join("") }

Str = new SB().Ap("hello ").Ap("world")

Strings

Prototypes

Leading Zero

Now in Output Formatting.

Perhaps Very Temporary

Auto-Slash

Insert slashes as characters are typed, as required for YYYY/MM/DD.

N.B. Incompatible with convenient editing.