Following is the code for testing and executing a regular expression in JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result, .sample {       font-size: 20px;       font-weight: 500; ... Read More

The JavaScript regular expression modifiers are optional part of a regular expression and allow us to perform case insensitive and global searchers. The modifiers can also be combined together.Following are the modifiers −ModifierDescriptiongIt enables global matching and returns all the matched results instead of stopping at first matchiIt enables case ... Read More

The JavaScript switch statement only uses strict comparison (===) and doesn’t converts type if matches are not found using strict comparison and will immediately execute the default statement.Following is the code for strict comparison in JavaScript switch statement −Example Live Demo Document    body {   ... Read More

Following is the code to implement common code blocks in JavaScript switch statement −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-size: 20px;       font-weight: 500;   ... Read More

The JavaScript Array.isArray() method is used to verify if a JavaScript object is an array or not based on the Boolean value returned by it.Following is the code to verify if JavaScript object is an array −Example Live Demo Document    body {       ... Read More

Following is the code to set the day of a date in JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result, .sample {       font-size: 20px;       font-weight: 500; ... Read More

Associative arrays are basically objects in JavaScript where indexes are replaced by user defined keys. They do not have a length property like normal array and cannot be traversed using normal for loop.Following is the code for associative arrays in JavaScript −Example Live Demo Document   ... Read More

Following is the code for creating a JavaScript array with new keyword −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-size: 20px;       font-weight: 500;    } ... Read More

Splicing an array means to use the Array.splice() method for adding or removing items from the array. The items removed are returned as an array.Following is the code for splicing an array in JavaScript −Example Live Demo Document    body {       font-family: "Segoe ... Read More

Following is the code for printing positive and negative infinity values in JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .num {       font-size: 18px;       font-weight: 500;   ... Read More