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Results 1 - 10 of 1,092 for host:developer.mozilla.org (0.03 sec)

  1. parseInt() - JavaScript | MDN

    The parseInt() function parses a string argument and returns an integer of the specified radix (the base in mathematical numeral systems).
    developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/parseInt
    Registered: Fri Dec 05 01:07:45 UTC 2025
    - Last Modified: Fri Dec 05 01:07:14 UTC 2025
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  2. TypeError: cannot use 'in' operator to search f...

    The JavaScript exception "right-hand side of 'in' should be an object" occurs when the in operator was used to search in strings, or in numbers, or other primitive types. It can only be used to check if a property is in an object.
    developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/in_operator_no_object
    Registered: Fri Dec 05 01:09:57 UTC 2025
    - Last Modified: Fri Dec 05 01:07:09 UTC 2025
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  3. TypeError: cyclic object value - JavaScript | MDN

    The JavaScript exception "cyclic object value" occurs when object references were found in JSON. JSON.stringify() doesn't try to solve them and fails accordingly.
    developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Cyclic_object_value
    Registered: Fri Dec 05 01:14:13 UTC 2025
    - Last Modified: Fri Dec 05 01:07:09 UTC 2025
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  4. TypeError: Reduce of empty array with no initia...

    The JavaScript exception "reduce of empty array with no initial value" occurs when a reduce function is used.
    developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Reduce_of_empty_array_with_no_in...
    Registered: Fri Dec 05 01:17:42 UTC 2025
    - Last Modified: Fri Dec 05 01:07:10 UTC 2025
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  5. Deprecated and obsolete features - JavaScript |...

    This page lists features of JavaScript that are deprecated (that is, still available but planned for removal) and obsolete (that is, no longer usable).
    developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Deprecated_and_obsolete_features
    Registered: Fri Dec 05 01:14:29 UTC 2025
    - Last Modified: Fri Dec 05 01:07:09 UTC 2025
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  6. SyntaxError: octal escape sequences can't be us...

    The JavaScript exception "octal escape sequences can't be used in untagged template literals or in strict mode code" occurs when octal escape sequences are used in strict mode string literals or untagged template literals.
    developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Deprecated_octal_escape_sequence
    Registered: Fri Dec 05 01:18:03 UTC 2025
    - Last Modified: Fri Dec 05 01:07:09 UTC 2025
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  7. TypeError: "x" is not a constructor - JavaScrip...

    The JavaScript exception "is not a constructor" occurs when there was an attempt to use an object or a variable as a constructor, but that object or variable is not a constructor.
    developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Not_a_constructor
    Registered: Fri Dec 05 01:18:13 UTC 2025
    - Last Modified: Fri Dec 05 01:07:10 UTC 2025
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  8. Object.getOwnPropertySymbols() - JavaScript | MDN

    The Object.getOwnPropertySymbols() static method returns an array of all symbol properties found directly upon a given object.
    developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySym...
    Registered: Fri Dec 05 01:36:32 UTC 2025
    - Last Modified: Fri Dec 05 01:07:14 UTC 2025
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  9. Object.isFrozen() - JavaScript | MDN

    The Object.isFrozen() static method determines if an object is frozen.
    developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isFrozen
    Registered: Fri Dec 05 01:36:37 UTC 2025
    - Last Modified: Fri Dec 05 01:07:14 UTC 2025
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  10. Object.preventExtensions() - JavaScript | MDN

    The Object.preventExtensions() static method prevents new properties from ever being added to an object (i.e., prevents future extensions to the object). It also prevents the object's prototype from being re-assigned.
    developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/preventExtensions
    Registered: Fri Dec 05 01:37:35 UTC 2025
    - Last Modified: Fri Dec 05 01:07:14 UTC 2025
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