toBoolean()

toBoolean(val): boolean

Returns true for any value not found to be a "false" value.

"false" values

• inherently false values: '' (empty string), 0, false, undefined, null, NaN
• numeric zero: '0.000' - any number of leading or trailing zeros
• string literal: 'false' - any capitalizations or space-padding

For more restrictive comparisons against: true, false, on, off, yes, no; see the predicates package (@accelint/predicates).

Parameters

val

unknown

Returns

boolean

Remarks

pure function

Example

toBoolean(1);          // true
toBoolean(' FaLsE ');  // false
toBoolean('  true');   // true
toBoolean('000.000');  // false