Summary of several ways to parse string into json_javascript skills

1. The older method:

Copy code The code is as follows:

function strToJson(str) {
var json = eval('(' str ')');
return json;
}

2. More commonly used methods:

Copy code The code is as follows:

function strToJson(str){
return (new Function("return " str ))();
}

3. JSON object method not supported by IE67:

Copy code The code is as follows:

function strToJson(str){
return JSON.parse(str);
}

4. jQuery provides Method:

Copy code The code is as follows:

parseJSON: function( data ) {
if ( typeof data !== "string" || !data ) {
return null;
}
data = jQuery.trim( data );
if ( /^[],: {}s]*$/.test(data.replace(/\(?:["\/bfnrt]|u[0-9a-fA-F]{4})/g, "@")
.replace(/"[^"\nr]*"|true|false|null|-?d (?:.d*)?(?:[eE][ -]?d )?/g, "]" )
.replace(/(?:^|:|,)(?:s*[) /g, "")) ) {
return window.JSON && window.JSON.parse ?
window.JSON.parse( data ) :
(new Function("return " data))();

} else {
jQuery.error( "Invalid JSON: " data );
}
},