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Vineeth.mariserla has Published 117 Articles
vineeth.mariserla
1K+ Views
_.union()_.Union() method belongs to underscore.js a library of javascript. The _.union() function is used to take n number of arrays and return a new array with the unique terms in all those arrays (union of all array). It scrutinizes each and every value of the arrays and pushes out unique values into ... Read More
vineeth.mariserla
2K+ Views
Detached Dom elementsDetached DOM elements are the elements which have been removed from the DOM but their memory is still retained because of JavaScript. This means that as long the element have a reference to any variable or an object anywhere, it does not garbage collected even after destroyed from ... Read More
vineeth.mariserla
437 Views
The ()(parenthesis) brackets play an important role in accessing a function. Accessing a function without () will return the function definition instead of the function result. If the function is accessed with () then the result can be obtained.Without ()ExampleIn the following example, the function is accessed without () so ... Read More
vineeth.mariserla
531 Views
Forgotten timers/callbacksThere are two timing events in javascript namely setTimeout() and setInterval(). The former executes a function after waiting a specified number of milliseconds, whereas the latter executes a function periodically(repeats for every certain interval of time).When any object is tied to a timer callback, it will not be released ... Read More
vineeth.mariserla
102 Views
Atomics.store()Atomics.store() is an inbuilt method that is used to store a specific value at a specific position in an array. This method accepts an Integer typed array, index and the value as arguments.SyntaxAtomics.store(typedArray, index, value);Parameterstyped array - it the shared integer typed array that we need to modify.index - It is ... Read More
vineeth.mariserla
63 Views
We can find a substring inside a string in two ways. One way is using the indexOf() method and the other is using ES6 includes() method. let's discuss them in detail.indexOf()syntaxindexOf(str);This method tries to check the index of the substring we need. If there is index, which means substring is present, then true ... Read More
vineeth.mariserla
63 Views
The difference between '==' and '===' is that former checks only value but the latter checks value and also data type(String, Boolean etc).The following example gives whether values assigned are equal or not irrespective of datatype. a) "==" operator(checks equality) Example Live Demo var x = 5; var ... Read More
vineeth.mariserla
139 Views
The use of "=" operator is that it assigns value from right to left, whereas "==" shows whether the given values are equal or not.In the following example variables x and y were assigned values using "=" operator and their magnitudes were checked using "==" operator.Example Live Demo ... Read More
vineeth.mariserla
87 Views
ES6's template strings is a new way to combine strings. We already have methods such as join(), concat() etc to combine strings but the template strings method is the most sophisticated because it’s more readable, no backslash to escape quotes and no more messy plus operators.Using concat() and join()ExampleIn the ... Read More