// CODED BY VINCENT BERGER // GLOBAL VARIABLES TO INTERACT WITH var thinking; var input; var output; var check; var abc; // BUTTON CALCULATE function calc() { // DECLARE VALUE AND INNERHTML input = document.getElementById("input").value; output = document.getElementById("output").innerHTML; thinking = document.getElementById("output").innerHTML = ("

Thinking...."); // CALCULATIONS WITH STRING MATCH AND EVAL setTimeout(function() { if (/1|2|3|4|5|6|7|8|9|0/ig.test(input)) { // EVAL IN ACTION document.getElementById("output").innerHTML = ("

Calculated!

In that case,
Inserted values has a valid sum of:

"+input+" =

"+eval(input)+""); } // INSERTED CHARACTER else if (/q|w|e|r|t|y|u|i|o|p|a|s|d|f|g|h|j|k|l|z|x|c|v|b|n|m/ig.test(input)) { document.getElementById("output").innerHTML = ("

You cannot use any alfabetic values!

In that case,
Inserted string has a lenght of:

"+input.length+" Characters

"+input+""); } else { document.getElementById("output").innerHTML = ("

INVALID INPUT!!"); } }, 2000) }

JS - Text input with eval()