This example proves the same decimal comparison works for HTML-backed tables and JavaScript-backed tables.Use -Value 0.2 for a numeric literal, or quote locale-formatted text with -Value '0,2'.Do not use bare -Value 0,2 in PowerShell because it becomes an Object[] before PSWriteHTML sees it.
New-TableCondition -Name "Value" -ComparisonType number -Operator le -Value 0.2 -Color SeaGreen -FailColor FireBrick
+New-TableCondition -Name "Value" -ComparisonType number -Operator le -Value '0,2' -Color SeaGreen -FailColor FireBrick
+
+# Avoid bare -Value 0,2 in PowerShell.
+# PowerShell parses it as an Object[] containing 0 and 2.