JavaScript string converted to variable name

Source: Internet
Author: User

1. Convert a string to a variable name

[JavaScript]View PlainCopyPrint?
  1. function  string_to_name (String) {   
  2.    let _name =  ' var new_name= '  + STRING;  
  3.    eval (_name);   
  4.    return  _name;  
  5. }

2. Convert a string to a variable and assign a value

[JavaScript]View PlainCopyPrint?
  1. var  str= ;  
  2. var  _script= + string +  = 123; ' ;  
  3. eval (_script);   
  4. console.log (typeof  string); //number   
  5. console.log (string); //123   
  6. STRING=456;  
  7. Console.log (string); //456   

JavaScript string converted to variable name

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