JavaScript Symbol.replace Property18 Mar 2025 | 1 min read The JavaScript Symbol.replace symbol determine the method that replaces the matched substring of a string. SyntaxParametersString. Return valueA new string. Browser Support
Example 1Output: Before: java After: TpointTech Example 2Output: Before: TpointTech After: TpointTech Next TopicJavaScript Symbol |
JavaScript Property The JavaScript symbol is used to produce the prototype for the symbol constructor. Note: is the parent of all symbol objects and parent of is obect.prototype. Syntax Parameters No parameters Return value The prototype for the symbol constructor. Browser Support Chrome 32 Safari 8 Firefox 29 Opera 19 Example 1 <script> //JavaScript to illustrate () var a...
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JavaScript Property The JavaScript it is used to configure if an object should be flattened to its array elements. NOTE: This property spreads the array to its elements when used for concatenation. Syntax Arrayname[symbol.isConcatSpredable] = false Parameters No parameters. Return value Concatenation Result. Browser Support Chrome 48 Safari Yes Firefox 48 Opera Yes Example 1 <script> //JavaScript to illustrate //creating array for the...
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JavaScript Properties The Java symbol is an object value whose inherited property names are excluded from with environment bindings. NOTE: Setting a property to true in an unscopables object makes it unscopable and therefore it won't appear in lexical scope variables. Setting a property to false makes...
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JavaScript Property The JavaScript is used to identify the matching of a regular expression against a string. Syntax Parameters String Return value Return true if a string matches otherwise false. Browser Support Chrome 32 Safari 8 Firefox 29 Opera 19 Example 1 <script> //JavaScript to illustrate var reg = /JavaTpoint/; reg[] = false; // check string start with hello document.write('/JavaTpoint/'.startsWith(reg)); // check string ends with...
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JavaScript Property The JavaScript is used to determine if a constructor object recognizes an object as its instance. Syntax [] (obj) Parameters An object as one of the constructor. Return value Return true if the value is in the chain of an object, otherwise false. Browser Support Chrome 5.1 Safari Yes Firefox 50 Opera Yes Example 1 <script> //JavaScript to illustrate var...
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JavaScript Properties The JavaScript symbol is accessed internally by the Object.prototype.toString() method. It is used for the creation of the default string description of an object. Syntax Parameters String Return value String Object. Browser Support Chrome 32 Safari 8 Firefox 29 Opera 19 Example 1 <script> //JavaScript to illustrate class ToString {get []() { return 'TpointTech'; } } document.write(Object.prototype.toString.call(new ToString())); //expected...
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JavaScript Property The JavaScript symbol determine the method that returns the index within a string that matches with the regular expression. Syntax [](string) Parameters String. Return value The position of a string. Browser Support Chrome 32 Safari 8 Firefox 29 Opera 19 Example 1 <script> //JavaScript to illustrate class S { constructor(value) { this.value = value; } ...
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JavaScript Property The JavaScript symbol is used to split a string at the indices that match the regular expression. Syntax (string) Parameters String Return value A string that split from the given expression Browser Support Chrome 32 Safari 8 Firefox 29 Opera 19 Example <script> //JavaScript to illustrate class Sp { constructor(value) { this.value = value; } ...
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