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SMALL
#JavaScript
#eval()
eval()
eval() is a function that recognizes a string as code.
Grammar
eval( string )for example
eval( '2+2' )is the computed result 4, not the string 2+2.
example
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>JavaScript</title>
<style>
body {
font-family: Consolas, monospace;
}
</style>
</head>
<body>
<script>
var jb = '2+2';
document.write( '<p>' + jb + '</p>' );
document.write( '<p>' + eval( jb ) + '</p>' );
</script>
</body>
</html>
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