PreventExtensions marks object as non-extensible.
()
| 780 | |
| 781 | // PreventExtensions marks object as non-extensible. |
| 782 | func (v *Value) PreventExtensions() bool { |
| 783 | if !v.isAlive() { |
| 784 | return false |
| 785 | } |
| 786 | ret := C.JS_PreventExtensions(v.ctx.ref, v.ref) |
| 787 | if ret < 0 { |
| 788 | return false |
| 789 | } |
| 790 | return ret == 1 |
| 791 | } |
| 792 | |
| 793 | // Seal seals object properties and prevents extensions. |
| 794 | func (v *Value) Seal() bool { |