JS judge string at the end of the string

Notes

Check the end of a string

Determines whether a string ( str ) ends with the specified string ( target ).

Returns true if it is, or false if it is not.

1 functionconfirmending (str, target) {2   //please write down your code here.3   varStart = str.length-target.length;4   vararr =str.substr (start,target.length);5   if(arr = =target) {6     return true;7   }8  return false;9 }Ten  OneConfirmending ("He had to give me a new name", "name");

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JS judge string at the end of the string