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js_array_learning.js

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+let studentNameList = [
+    "Phước",
+    "Vũ Anh",
+    "Ánh Dương"
+]
+
+
+for(let i = 0; i < studentNameList.length; i++) {
+    console.log(studentNameList[i])
+}
+
+for (let studentName of studentNameList) {
+    console.log(studentName)
+}
+
+for (let key in studentNameList) {
+    console.log(key)
+}
+
+// i -> index
+// studentNameList[i] -> value
+// studentNameList.length -> thuộc tính length
+
+// studentNameList.push() -> phương thức (method ~ function)
+
+// studentNameList.push("Nam")
+// studentNameList.push("Hồng", "Yến", "Tâm")
+
+console.log("studentNameList", studentNameList)
+
+studentNameList.splice(1, 1)
+
+console.log("studentNameList", studentNameList)
+
+studentNameList[0] = "Phước Đẹp Trai"
+
+console.log("studentNameList", studentNameList)