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:

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

Grow the table by 1 using WebAssembly.grow():

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

Specifications

Specification
WebAssembly JavaScript Interface: Exception Handling
# dom-table-grow

Browser compatibility

BCD tables only load in the browser

See also