根据条件取数组里的value

/*
 * 根据条件取数组里的value
 */
var mydate = "2017-09";
var setData = [{"text": "2017-08","value": 1},{"text": "2017-09","value": 2},{"text": "2017-10","value": 3}]

var val = null;
for(var i = 0; i < setData.length; i++){
    
    if(setData[i].text == mydate){
        val = setData[i].value;
    }
}

console.log(val)//取到2