Class Backup

The ` element

Parent elements: <measure> (partwise), (timewise)

The <backup> and elements are required to coordinate multiple voices in one part, including music on multiple staves. The <backup> element is generally used to move between voices and staves. Thus it does not include or <staff> elements. Duration values should always be positive, and should not cross measure boundaries or mid-measure changes in the value.

https://www.w3.org/2021/06/musicxml40/musicxml-reference/elements/backup/

Hierarchy

  • Backup

Implements

Constructors

constructor

Properties

attributes contents schema schema

Methods

getDuration getFootnote getLevel setDuration setFootnote setLevel

Constructors

constructor

Properties

attributes

attributes: BackupAttributes

contents

contents: BackupContents

Readonly schema

schema: {
    attributes: {};
    contents: readonly [{
        type: "required";
        value: typeof Duration;
    }, {
        type: "optional";
        value: typeof Footnote;
    }, {
        type: "optional";
        value: typeof Level;
    }];
    name: "backup";
} = Backup.schema

Type declaration

  • Readonly attributes: {}
    • Readonly contents: readonly [{
          type: "required";
          value: typeof Duration;
      }, {
          type: "optional";
          value: typeof Footnote;
      }, {
          type: "optional";
          value: typeof Level;
      }]
    • Readonly name: "backup"

    Static Readonly schema

    schema: {
        attributes: {};
        contents: readonly [{
            type: "required";
            value: typeof Duration;
        }, {
            type: "optional";
            value: typeof Footnote;
        }, {
            type: "optional";
            value: typeof Level;
        }];
        name: "backup";
    } = ...

    Type declaration

    • Readonly attributes: {}
      • Readonly contents: readonly [{
            type: "required";
            value: typeof Duration;
        }, {
            type: "optional";
            value: typeof Footnote;
        }, {
            type: "optional";
            value: typeof Level;
        }]
      • Readonly name: "backup"

      Methods

      getDuration

      getFootnote

      getLevel

      setDuration

      setFootnote

      setLevel

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