Content
- Convert array to JSON
- Parse JSON (convert from JSON to array)
- Count JSON array length
- Do loop with JSON array
- Get data from JSON array
- Add item to JSON array
- Remove item from JSON array
Convert array to JSON
varmyArr={key:value,key2:value2};varmyJSON=JSON.stringify(myArr);Result:
'{"key":"value","key2":"value2"}';Parse JSON (convert from JSON to array)
varmyJSON='{"key":"value","key2":"value2"}';varmyArr=JSON.parse(myJSON);Result:
{key:value,key2:value2};Count JSON array length
varmyJSON='{"key":"value","key2":"value2"}';varmyArr=JSON.parse(myJSON);varjsonLength=myArr.length;Result:
2Do loop with JSON array
varmyJSON='{"key":"value","key2":"value2"}';varmyArr=JSON.parse(myJSON);myArr.forEach(function(nowItem){// Do things here})Get data from JSON array
varmyJSON='{"key":"value","key2":"value2"}';varmyArr=JSON.parse(myJSON);console.log(myArr["key2"]);Result:
value2Add item to JSON array
varmyJSON='{"key":"value","key2":"value2"}';varmyArr=JSON.parse(myJSON);myArr["key3"]="value3";myArr result:
{key:"value",key2:"value2",key3:"value3"}Remove item from JSON array
varmyJSON='{"key":"value","key2":"value2"}';varmyArr=JSON.parse(myJSON);deletemyArr["key2"];myArr result:
{"key":"value"}Top comments(0)
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