level1 complete

solutions/day-01/level1.js

@@ -0,0 +1,102 @@
+const countries = [
+    'Albania',
+    'Bolivia',
+    'Canada',
+    'Denmark',
+    'Ethiopia',
+    'Finland',
+    'Germany',
+    'Hungary',
+    'Ireland',
+    'Japan',
+    'Kenya',
+  ]
+  
+  const webTechs = [
+    'HTML',
+    'CSS',
+    'JavaScript',
+    'React',
+    'Redux',
+    'Node',
+    'MongoDB',
+  ]
+  let arr1 = []
+  let arr2 = [10,20,30,40,50,60,70]
+  console.log(arr2.length)
+  console.log(arr2[0])
+  console.log(arr2[Math.floor((arr2.length-1)/2)])
+  console.log(arr2[arr2.length-1])
+
+  let mixedDataTypes = [1,"Ashim",['Apple','Mango','Jackfruit'],true,3.14,333]
+  console.log(mixedDataTypes.length)
+
+  let itCompanies = ["Facebook", "Google" , "Microsoft" , "Apple" , "IBM" , "Oracle", "Amazon", "Jio"]
+  console.log(itCompanies)
+  console.log("there are " + itCompanies.length + " IT Companies")
+  console.log("The first company is "+ itCompanies[0])
+  console.log("The last company is "+ itCompanies[itCompanies.length-1])
+  console.log("The middle company is "+ itCompanies[Math.floor((itCompanies.length-1)/2)])
+  console.log("All the IT companies are :"+ itCompanies.join(", "))
+  console.log(itCompanies[0].toUpperCase())
+  console.log(itCompanies[1].toUpperCase())
+  console.log(itCompanies[2].toUpperCase())
+  console.log(itCompanies[3].toUpperCase())
+  console.log(itCompanies[4].toUpperCase())
+  console.log(itCompanies[5].toUpperCase())
+console.log(itCompanies.toString())
+
+let index = itCompanies.includes("Apples")
+
+if(index){
+    console.log("The Item exists in the array")
+}else{
+    console.log("The Item does not exist")
+}
+let  reqComp = [];
+for(let i = 0 ; i < itCompanies.length ; i++){
+    if(itCompanies[i].includes('o')){
+       let company =  itCompanies[i].toLowerCase().split('')
+       //console.log(company)
+       let count = 0;
+       for(let j = 0 ; j < company.length ; j++){
+        if(company[j] == 'o'){
+         count += 1;
+        }
+       }
+       if(count > 1){
+        reqComp.push(itCompanies[i])
+      }
+    }
+}
+//console.log(reqComp)
+
+//console.log(itCompanies.sort())
+//console.log(itCompanies.reverse())
+
+//onsole.log(itCompanies.slice(0,3))
+//console.log(itCompanies.splice(4,))
+let length = itCompanies.length
+// let lower = Math.floor((length-1)/2)
+// let upper = Math.ceil((length-1)/2)
+// console.log(lower)
+// console.log(upper)
+// console.log(itCompanies.slice(lower , upper+1))
+
+// itCompanies.splice(0,1)
+// console.log(itCompanies)
+
+//let floorMid = Math.floor((length-1)/2)
+// let ceilMid = Math.ceil((length-1)/2)
+// if(length%2 == 0){
+//     itCompanies.splice(floorMid,2)
+// }else{
+//     itCompanies.splice(floorMid,1)
+// }
+// console.log(itCompanies)
+
+// itCompanies.splice(itCompanies.length-1,1)
+// console.log(itCompanies)
+
+itCompanies.splice(0)
+console.log(itCompanies)