Share several JS methods used in array and string

Stringsplice//string deletion and increment insertion method substr//String intercept method also has substring slicesplit  //String splitting method replace//String substitution method//arryayshift: Removes the first element from the collection and returns the value of the element. Unshift: Adds one or more elements at the beginning of the collection and returns a new length push: Adds an element to the collection and returns a new length pop: Removes the last element from the collection and returns the value of the element.

　　

Share several JS methods used in array and string