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在线手册

  • pr font font family

    ... , if no other fonts are available. Note: Separate each value with a comma. Note: If a font name contains white-space, it must be quoted. Single quotes must be used when using the "style" attribute in HTML. Default value ...

  • pr font font

    ... missing, the default values will be inserted, if any. Note: The line-height property sets the space between lines. Default value: The default value of all the font properties Inherited: yes Animatable ...

  • pr padding bottom

    ... ; } Try it yourself » Definition and Usage The padding-bottom property sets the bottom padding (space) of an element. Note: Negative values are not allowed. Default value: 0 Inherited: no ...

  • pr padding left

    ... 2cm; } Try it yourself » Definition and Usage The padding-left property sets the left padding (space) of an element. Note: Negative values are not allowed. Default value: 0 Inherited: no ...

  • pr padding right

    ... ; } Try it yourself » Definition and Usage The padding-right property sets the right padding (space) of an element. Note: Negative values are not allowed. Default value: 0 Inherited: no ...

  • pr padding top

    ... : 2cm; } Try it yourself » Definition and Usage The padding-top property sets the top padding (space) of an element. Note: Negative values are not allowed. Default value: 0 Inherited: no ...

  • coll doc forms

    HTML DOM forms Collection Document Object Example Find out how many <form> elements there are in the document: var x = document.forms.length; The result of x will be: 1 Try it yourself » More "Try it Yourself" ...

  • event key location

    ... on the numeric keypad (this value represents almost every key on the keyboard, e.g. "A", "U", "SPACE" or "5") 1. DOM_KEY_LOCATION_LEFT: A left key was pressed (e.g. the left "CTRL" key or left ...

  • jsref regexp whitespace non

    ... and Usage The \S metacharacter is used to find a non-whitespace character. A whitespace character can be: A space character A tab character A carriage return character A new line character A vertical tab character A form feed ...

  • jsref regexp whitespace

    ... Definition and Usage The \s metacharacter is used to find a whitespace character. A whitespace character can be: A space character A tab character A carriage return character A new line character A vertical tab character A form feed ...

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