2018-12-15 03:19
You can use delete operator to delete the properties of an object in JavaScript.HelloWorld.jsvar employee = { firstName: "Hari Krishna", lastName: "Gurram", id: 123, toString: function()… Read More
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Tutorial on Java, Design Patterns, collections, Struts, jdbc
2018-12-14 15:58
Rest parameters are used to represent variable number of arguments. It is equivalent to Varargs in Java. ‘…’ are used to represent variable number of arguments.HelloWorld… Read More
2018-12-11 15:01
If you do not pass the arguments to a function, then the values of arguments are undefined.HelloWorld.jsfunction sum(a, b){if(a == undefined || b == undefined){ console.log("a : " + a… Read More
2018-12-11 15:00
De-structuring assignment used to unpack values from arrays, or properties from objects, into distinct variables.For example,HelloWorld.jsvar arr1 = [2, 3, 5, 7, 11]var [a, b, c, d, e] = arr… Read More
2018-12-11 14:50
One of my friend got this interview question.HelloWorld.js/* Concatenate the arguments passed to this method using the separator */function concat(){ }concat("Hello", "How"… Read More
2018-12-10 14:45
A closure is an inner function that remembers its outer variables and can access them.A closure can able to accessa. variables defined in its scopeb. variables define… Read More
2018-12-09 14:38
A method is a function that is property of an object.HelloWorld.jsvar employee = { name : "krishna", age : 29, toString: function(){return "name : " + this.name + ", age : " + this… Read More
2018-12-09 14:36
Recursion is a technique, where the function call itself directly (or) indirectly.There are three ways to refere a function itself.a. the function's nameb. arguments… Read More
2018-12-09 14:32
Implement a ‘map’ function, that takes a function ‘f’ and an array ‘arr’ as argument, apply function f on every element of array arr.HelloWorld.jsfunction… Read More
2018-12-09 14:30
If you pass primitive parameter to a function, then the parameters are passed to the function by value.HelloWorld.jsfunction square(number){ number = number * number;return number;}var n =… Read More
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