Javascript/break

解説強制終了

sample1

sample1code

function sample1Func(){
  for( var i=0; i<10; i++){
	if( i == 7){
	  break;
	}
	console.log(i)
  }
}

sample2

sample2code

var sample2Btn = document.getElementById("sample2Btn");
sample2Btn.onclick = function sample2Func(){
  var j = 0;
  while(j<10){
	j++;
	if(j == 5){
	  break;
	}
	console.log(j);
  }
}

sample3

sample3code

function s3Func(){
  var s3Obj = {"a":0, "b":1, "c":2};
  for(var val in s3Obj){
    if(s3Obj[val] === 1){
    	break;
    }
    console.log(s3Obj[val]);
  }
}