WebAssembly.Table.prototype.grow()

The grow() prototype method of the WebAssembly.Table object increases the size of the Table instance by a specified number of elements.

Syntax

grow(number)

Parameters

number

The number of elements you want to grow the table by.

Return value

The previous length of the table.

Exceptions

If the grow() operation fails for whatever reason, a RangeError is thrown.

Examples

Using grow

The following example creates a new WebAssembly Table instance with an initial size of 2 and a maximum size of 10.

var table = new WebAssembly.Table({ element: "anyfunc", initial: 2, maximum: 10 });

You can then grow the table by 1 with the following:

console.log(table.length);   // "2"
console.log(table.grow(1));  // "2"
console.log(table.length);   // "3"

Specifications

Browser compatibility

See also

• WebAssembly overview page
• WebAssembly concepts
• Using the WebAssembly JavaScript API