nl_tokens: Operations for dealing with CSS properties . This creates a string that is expected to be equivalent to the style attribute generated by server - side rendering . It by - passes warnings and security checks so it s not safe to use this value for anything other than comparison . It is only used in DEV for SSR validation .
pl_tokens: function createDangerousStringForStyles ( styles ) { { var serialized = '' ; var delimiter = '' ; for ( var styleName in styles ) { if ( ! styles . hasOwnProperty ( styleName ) ) { continue ; } var styleValue = <mask> [ styleName ] ; if ( styleValue != null ) { var isCustomProperty = styleName . indexOf ( '--' ) === 0 ; serialized += delimiter + hyphenateStyleName ( styleName ) + ':' ; serialized += dangerousStyleValue ( styleName , styleValue , isCustomProperty ) ; delimiter = ';' ; } } return serialized || null ; } }