Java Script Basic
Spread Operator the operator shap is three consective dots and is written as: Usages of sparead operator 1. Expanding String - Convert String into list of array 2. Combining Arrays - Combine array or add value to array 3. Combining Object - Combine Object or add value to Object 4. Create New Shallow Copy of Arrays and Object sparead operator 1) Arrays var arry = [a,b,c]; // array indax start from zero console.log(arry[0]); console.log(arry[1]); //2 Object var obj = { "name" : "salesforce", "age" : "54", } console.log(obj.name) console.log(obj.age) // Spread Operator //1. Expanding of string let greeting = "Hello World" let charlist = [...greeting] console.log(charlist[10]); //2.Combing array let arr1 = ["amazon","persistent","google"]; let arr2 = ["feedback","instration"] let arr3 = [...arr1, ...arr2]; console.log(arr3); // 3.adding values to an array let arr4 = ["a","b...