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ReferenceError.prototype

The ReferenceError.prototype property represents the prototype for the ReferenceError constructor.
Error JavaScript Property Prototype ReferenceError

RegExp.prototype

The RegExp.prototype property represents the prototype object for the RegExp constructor.
JavaScript Property Prototype Reference RegExp

Set.prototype.add()

The add() method appends a new element with a specified value to the end of a Set object.
ECMAScript6 JavaScript Method Prototype set

Set.prototype.clear()

The clear() method removes all elements from a Set object.
ECMAScript6 JavaScript Method Prototype set

Set.prototype.delete()

The delete() method removes the specified element from a Set object.
ECMAScript6 JavaScript Method Prototype set

Set.prototype.forEach()

The forEach() method executes a provided function once per each value in the Set object, in insertion order.
ECMAScript6 JavaScript Method Prototype set

Set.prototype.has()

The has() method returns a boolean indicating whether an element with the specified value exists in a Set object or not.
ECMAScript6 JavaScript Method Prototype set

Set.prototype.size

The size accessor property returns the number of elements in a Set object.
ECMAScript6 JavaScript Property Prototype set

String.prototype.charAt()

The charAt() method returns the specified character from a string.
JavaScript Method Prototype Reference String

String.prototype.concat()

The concat() method combines the text of one or more strings and returns a new string.
JavaScript Method Prototype Reference String

String.prototype.endsWith()

The endsWith() method determines whether a string ends with the characters of another string, returning true or false as appropriate.
JavaScript Method Prototype Reference String

String.prototype.includes()

The includes() method determines whether one string may be found within another string, returning true or false as appropriate.
JavaScript Method Prototype Reference String

String.prototype.indexOf()

The indexOf() method returns the index within the calling String object of the first occurrence of the specified value, starting the search at fromIndex. Returns -1 if the value is not found.
JavaScript Method Prototype Reference String

String.prototype.lastIndexOf()

The lastIndexOf() method returns the index within the calling String object of the last occurrence of the specified value, searching backwards from fromIndex. Returns -1 if the value is not found.
JavaScript Method Prototype Reference String

string.length

The length property represents the length of a string.
JavaScript Property Prototype Reference String

String.prototype

The String.prototype property represents the String prototype object.
JavaScript Property Prototype Reference String

String.prototype.slice()

The slice() method extracts a section of a string and returns a new string.
JavaScript Method Prototype Reference String

String.prototype.substr()

The deprecated substr() method returns the characters in a string beginning at the specified location through the specified number of characters.
JavaScript Method Prototype Reference String

String.prototype.substring()

The substring() method returns a subset of a string between one index and another, or through the end of the string.
JavaScript Method Prototype Reference String

String.prototype.toLowerCase()

The toLowerCase() method returns the calling string value converted to lower case.
JavaScript Method Prototype Reference String