diff --git a/for.js b/for.js
new file mode 100644
index 0000000..ca4a396
--- /dev/null
+++ b/for.js
@@ -0,0 +1,33 @@
+
+// for(スタート値;継続条件(修了条件)；増減式){}
+// for(var i = 0;i<=4;i++){
+// if(i == 2){
+// continue;}
+// console.log(i);
+// }
+
+//マリオのコース
+// for (var stage = 1;stage <= 4;stage++){
+// for(var root = 1;root <= 6;root++)
+// console.log(stage+"-"+root);
+// }
+
+//誕生日取り出して足すプログラム
+// var arr = [1122,1124,1125,1128,226,525]
+// sum=0;
+// for(var i=0;i<=arr.length-1;i++){
+// sum+=arr[i];
+// }
+// console.log(sum);
+
+//3と7のif
+for(i=1;i<=10;i++){
+ if(i==3){
+ continue;}
+ else if(i==7){
+ break;}
+ else{
+ console.log(i)
+ }
+}
+
diff --git a/hello.js b/hello.js
index da6036e..ce066fe 100644
--- a/hello.js
+++ b/hello.js
@@ -1,5 +1,10 @@
-document.addEventListener("DOMContentLoaded", ()=>{
- document.getElementById("h1").addEventListener("click", (e) => {
- alert("Hello");
- }, false);
-});
\ No newline at end of file
+var age = Math.floor(Math.random()*61)
+console.log(age)
+
+if (age >= 10 && age < 20){
+ console.log("10代")
+}else if(age >=20 && age < 30){
+ console.log("20代")
+}else if(age >=30 && age < 40){
+ console.log("30代")
+}else{console.log("それ以外")}
\ No newline at end of file
diff --git a/recipe.js b/recipe.js
new file mode 100644
index 0000000..1a3ec32
--- /dev/null
+++ b/recipe.js
@@ -0,0 +1,23 @@
+//function 関数名（引数名,引数名）{処理}
+//引数がない関数
+// function say_hello(){
+// console.log("Hello World")
+// }
+// say_hello();
+// say_hello();
+// say_hello();
+
+//var 変数名 = function 関数名 (){実行したい処理};
+// function say_hello(aisatu){
+// console.log(aisatu)
+// }
+// say_hello("おはよう");
+// say_hello("じょん");
+// say_hello("元気かい?");
+
+//誕生日
+function barthday(old){
+ // console.log(2022-old)
+ console.log(2022-old)
+ }
+ barthday(22);
diff --git a/rensyu.html b/rensyu.html
new file mode 100644
index 0000000..953666c
--- /dev/null
+++ b/rensyu.html
@@ -0,0 +1,23 @@
+
+
+
+
+
+Hello!
+
+
+はろーわーるど
+
+
+
+
\ No newline at end of file