json javascript

How to convert string to object in js

 

E.g

 

[javascript] 

var test='{ colkey: "col", colsinfo: "NameList" }'  

 

  var test='{ colkey: "col", colsinfo: "NameList" }' is obviously an object, but how to convert text to object. Use eval(); note that parentheses must be added, otherwise the conversion will fail 

 

 

 

 

convert text to object

 

 

 

[javascript] 

var test='{ colkey: "col", colsinfo: "NameList" }'    

  var obj2=eval("("+test+")");  

  alert(obj2.colsinfo);  

 

  var test='{ colkey: "col", colsinfo: "NameList" }'

  var obj2=eval("("+test+")");

  alert(obj2.colsinfo);

 

 

 

convert text to array

[javascript] 

var test='["colkey", "col", "colsinfo","NameList" ]'      

   var obj2=eval("("+test+")");  

   alert(obj2.length);