what is array.prototype.slice.call

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[]    // Array object
.slice // Accessing the function 'slice' present in the prototype of Array
.call // Accessing the function 'call' present in the prototype of function object(slice)
(document.querySelectorAll('a'),0) 
    // 'call' can have arguments like, (thisArg, arg1,arg2...n). 
   // So here we are passing the 'thisArg' as an array like object,
  // that is a 'nodeList'. It will be served as 'this' object inside of slice function.
 // And finally setting 'start' argument of slice as '0' and leaving the 'end' 
// argument as 'undefined'

Posted by: Guest on January-01-1970

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JavaScript Array slice() Method The slice() method returns the selected elements in an array, as a new array object. The slice() method selects the elements starting at the given start argument, and ends at, but does not include, the given end argument. Note: The original array will not be changed.

let ourString = "Lorem ipsum dolor sit amet, consectetur adipiscing elit."; ourString.slice(0, 11); console.log(ourString.slice(0, 11)); //Lorem ipsum string.slice(start, end); //Start is required. The position where to begin the extraction. //First character is at position 0 //End is optional. //The position (up to, but not including) where to end the extraction.

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