WebAssembly.RuntimeError
The WebAssembly.RuntimeError
object is the error type that is thrown whenever WebAssembly specifies a trap.
Constructor
WebAssembly.RuntimeError()
-
Creates a new
WebAssembly.RuntimeError
object.
Instance properties
WebAssembly.RuntimeError.prototype.message
-
Error message. Inherited from
Error
. WebAssembly.RuntimeError.prototype.name
-
Error name. Inherited from
Error
. WebAssembly.RuntimeError.prototype.cause
-
Error cause. Inherited from
Error
. WebAssembly.RuntimeError.prototype.fileName
Non-standard-
Path to file that raised this error. Inherited from
Error
. WebAssembly.RuntimeError.prototype.lineNumber
Non-standard-
Line number in file that raised this error. Inherited from
Error
. WebAssembly.RuntimeError.prototype.columnNumber
Non-standard-
Column number in line that raised this error. Inherited from
Error
. WebAssembly.RuntimeError.prototype.stack
Non-standard-
Stack trace. Inherited from
Error
.
Instance methods
WebAssembly.RuntimeError.prototype.toString()
-
Returns a string representing the specified
Error
object. Inherited fromError
.
Examples
Creating a new RuntimeError instance
The following snippet creates a new RuntimeError
instance, and logs its details to the console:
js
try {
throw new WebAssembly.RuntimeError("Hello", "someFile", 10);
} catch (e) {
console.log(e instanceof WebAssembly.RuntimeError); // true
console.log(e.message); // "Hello"
console.log(e.name); // "RuntimeError"
console.log(e.fileName); // "someFile"
console.log(e.lineNumber); // 10
console.log(e.columnNumber); // 0
console.log(e.stack); // returns the location where the code was run
}
Specifications
Specification |
---|
WebAssembly JavaScript Interface # exceptiondef-runtimeerror |
ECMAScript Language Specification # sec-native-error-types-used-in-this-standard |
Browser compatibility
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