|
@@ -0,0 +1,782 @@
|
|
|
+// 3 persons ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let personOne={
|
|
|
+ name: '',
|
|
|
+ surname: '',
|
|
|
+}
|
|
|
+
|
|
|
+let personTwo={
|
|
|
+ name:'',
|
|
|
+ surname:''
|
|
|
+}
|
|
|
+
|
|
|
+let personThree={
|
|
|
+ name:'',
|
|
|
+ surname:''
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+// different fields ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let personOne={
|
|
|
+ name: '',
|
|
|
+ surname: '',
|
|
|
+ age: '',
|
|
|
+ fathername: '',
|
|
|
+ sex: ''
|
|
|
+}
|
|
|
+
|
|
|
+let personTwo={
|
|
|
+ name:'',
|
|
|
+ surname:'',
|
|
|
+ 'age': '',
|
|
|
+ 'fathername': '',
|
|
|
+ 'sex': ''
|
|
|
+}
|
|
|
+
|
|
|
+let personThree={
|
|
|
+ name:'',
|
|
|
+ surname:'',
|
|
|
+ age:
|
|
|
+ '',
|
|
|
+ fathername:
|
|
|
+ '',
|
|
|
+ sex:
|
|
|
+ ''
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+// fields check ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let personOne={
|
|
|
+ name: 'Vlad',
|
|
|
+ surname: 'Stasenko',
|
|
|
+ age: '27',
|
|
|
+ fathername: 'Andriyovich',
|
|
|
+ sex: ''
|
|
|
+}
|
|
|
+
|
|
|
+if ('sex' in personOne){
|
|
|
+ alert(personOne.sex + ' Необязательное поле')
|
|
|
+}
|
|
|
+// либо =============================================
|
|
|
+
|
|
|
+if (typeof personOne.sex === 'string'){
|
|
|
+ alert(personOne.sex + ' Необязательное поле')
|
|
|
+}
|
|
|
+
|
|
|
+let personTwo={
|
|
|
+ name:'Kate',
|
|
|
+ surname:'Stasenko',
|
|
|
+ 'age': '',
|
|
|
+ 'fathername': 'Andriivna',
|
|
|
+ 'sex': 'woman'
|
|
|
+}
|
|
|
+
|
|
|
+if('age' in personTwo){
|
|
|
+ alert(personTwo.age + ' Необязательное поле')
|
|
|
+}
|
|
|
+// либо =============================================
|
|
|
+
|
|
|
+if(typeof personTwo.age === 'string'){
|
|
|
+ alert(personTwo.age + ' Необязательное поле')
|
|
|
+}
|
|
|
+
|
|
|
+let personThree={
|
|
|
+ name:'Daniel',
|
|
|
+ surname:'Deli',
|
|
|
+ age:
|
|
|
+ '27',
|
|
|
+ fathername:
|
|
|
+ '',
|
|
|
+ sex:
|
|
|
+ 'man'
|
|
|
+}
|
|
|
+
|
|
|
+if ('fathername' in personThree){
|
|
|
+ alert(personThree.fathername + ' Необязательное поле')
|
|
|
+ }
|
|
|
+// либо =============================================
|
|
|
+
|
|
|
+if(typeof personThree.fathername === 'string'){
|
|
|
+ alert(personThree.fathername + ' Необязательное поле')
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+// array of persons ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let persons = [
|
|
|
+
|
|
|
+ personOne={
|
|
|
+ name: '',
|
|
|
+ surname: '',
|
|
|
+ age: '',
|
|
|
+ fathername: '',
|
|
|
+ sex: ''
|
|
|
+ },
|
|
|
+
|
|
|
+ personTwo={
|
|
|
+ name:'',
|
|
|
+ surname:'',
|
|
|
+ 'age': '',
|
|
|
+ 'fathername': '',
|
|
|
+ 'sex': ''
|
|
|
+ },
|
|
|
+
|
|
|
+ personThree={
|
|
|
+ name:'',
|
|
|
+ surname:'',
|
|
|
+ age:
|
|
|
+ '',
|
|
|
+ fathername:
|
|
|
+ '',
|
|
|
+ sex:
|
|
|
+ ''
|
|
|
+ }
|
|
|
+]
|
|
|
+
|
|
|
+
|
|
|
+// loop of persons ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let persons = [
|
|
|
+
|
|
|
+ personOne={
|
|
|
+ name: '',
|
|
|
+ surname: '',
|
|
|
+ age: '',
|
|
|
+ fathername: '',
|
|
|
+ sex: ''
|
|
|
+ },
|
|
|
+
|
|
|
+ personTwo={
|
|
|
+ name:'',
|
|
|
+ surname:'',
|
|
|
+ 'age': '',
|
|
|
+ 'fathername': '',
|
|
|
+ 'sex': ''
|
|
|
+ },
|
|
|
+
|
|
|
+ personThree={
|
|
|
+ name:'',
|
|
|
+ surname:'',
|
|
|
+ age:
|
|
|
+ '',
|
|
|
+ fathername:
|
|
|
+ '',
|
|
|
+ sex:
|
|
|
+ ''
|
|
|
+ }
|
|
|
+]
|
|
|
+
|
|
|
+for (let key in persons){
|
|
|
+ console.log(persons[key]);
|
|
|
+}
|
|
|
+
|
|
|
+// либо =============================================
|
|
|
+
|
|
|
+let persons = [
|
|
|
+
|
|
|
+ personOne={
|
|
|
+ name: '',
|
|
|
+ surname: '',
|
|
|
+ age: '',
|
|
|
+ fathername: '',
|
|
|
+ sex: ''
|
|
|
+ },
|
|
|
+
|
|
|
+ personTwo={
|
|
|
+ name:'',
|
|
|
+ surname:'',
|
|
|
+ 'age': '',
|
|
|
+ 'fathername': '',
|
|
|
+ 'sex': ''
|
|
|
+ },
|
|
|
+
|
|
|
+ personThree={
|
|
|
+ name:'',
|
|
|
+ surname:'',
|
|
|
+ age:
|
|
|
+ '',
|
|
|
+ fathername:
|
|
|
+ '',
|
|
|
+ sex:
|
|
|
+ ''
|
|
|
+ }
|
|
|
+]
|
|
|
+
|
|
|
+for (let i = 0; i<persons.length; ++i){
|
|
|
+ console.log(persons[i]);
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+// loop of name and surname ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let persons = [
|
|
|
+
|
|
|
+ personOne={
|
|
|
+ name: 'Vlad',
|
|
|
+ surname: 'Stasenko',
|
|
|
+ age: '',
|
|
|
+ fathername: '',
|
|
|
+ sex: ''
|
|
|
+ },
|
|
|
+
|
|
|
+ personTwo={
|
|
|
+ name:'Kate',
|
|
|
+ surname:'Stasenko',
|
|
|
+ 'age': '',
|
|
|
+ 'fathername': '',
|
|
|
+ 'sex': ''
|
|
|
+ },
|
|
|
+
|
|
|
+ personThree={
|
|
|
+ name:'Sveta',
|
|
|
+ surname:'Stasenko',
|
|
|
+ age:
|
|
|
+ '',
|
|
|
+ fathername:
|
|
|
+ '',
|
|
|
+ sex:
|
|
|
+ ''
|
|
|
+ }
|
|
|
+]
|
|
|
+
|
|
|
+for (let key in persons){
|
|
|
+ console.log(persons[key].name +' '+ persons[key].surname);
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+// loop of loop of values ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let persons = [
|
|
|
+
|
|
|
+ personOne={
|
|
|
+ name: 'Vlad',
|
|
|
+ surname: 'Stasenko',
|
|
|
+ age: 27,
|
|
|
+ fathername: 'Andriyovich',
|
|
|
+ sex: 'man'
|
|
|
+ },
|
|
|
+
|
|
|
+ personTwo={
|
|
|
+ name:'Kate',
|
|
|
+ surname:'Stasenko',
|
|
|
+ 'age': '27',
|
|
|
+ 'fathername': 'Andriivna',
|
|
|
+ 'sex': 'woman'
|
|
|
+ },
|
|
|
+
|
|
|
+ personThree={
|
|
|
+ name:'Sveta',
|
|
|
+ surname:'Stasenko',
|
|
|
+ age:
|
|
|
+ '48',
|
|
|
+ fathername:
|
|
|
+ 'Oleksiivna',
|
|
|
+ sex:
|
|
|
+ 'woman'
|
|
|
+ }
|
|
|
+]
|
|
|
+
|
|
|
+for(let i=0; i<(persons.length); i++ ){
|
|
|
+ for(let key in persons[i]){
|
|
|
+ console.log(persons[i][key])
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+// fullName ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let persons = [
|
|
|
+
|
|
|
+ personOne={
|
|
|
+ name: 'Vlad',
|
|
|
+ surname: 'Stasenko',
|
|
|
+ age: 27,
|
|
|
+ fathername: 'Andriyovich',
|
|
|
+ sex: 'man'
|
|
|
+ },
|
|
|
+
|
|
|
+ personTwo={
|
|
|
+ name:'Kate',
|
|
|
+ surname:'Stasenko',
|
|
|
+ 'age': '27',
|
|
|
+ 'fathername': 'Andriivna',
|
|
|
+ 'sex': 'woman'
|
|
|
+ },
|
|
|
+
|
|
|
+ personThree={
|
|
|
+ name:'Sveta',
|
|
|
+ surname:'Stasenko',
|
|
|
+ age:
|
|
|
+ '48',
|
|
|
+ fathername:
|
|
|
+ 'Oleksiivna',
|
|
|
+ sex:
|
|
|
+ 'woman'
|
|
|
+ }
|
|
|
+]
|
|
|
+
|
|
|
+for(let i=0; i<(persons.length); i++ ){
|
|
|
+ persons[i].fullName = (persons[i].name + ' ' + persons[i].surname + ' ' + persons[i].fathername)
|
|
|
+ console.log(persons[i])
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+// serialize ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let persons = [
|
|
|
+
|
|
|
+ personOne={
|
|
|
+ name: 'Vlad',
|
|
|
+ surname: 'Stasenko',
|
|
|
+ age: 27,
|
|
|
+ fathername: 'Andriyovich',
|
|
|
+ sex: 'man'
|
|
|
+ },
|
|
|
+
|
|
|
+ personTwo={
|
|
|
+ name:'Kate',
|
|
|
+ surname:'Stasenko',
|
|
|
+ 'age': '27',
|
|
|
+ 'fathername': 'Andriivna',
|
|
|
+ 'sex': 'woman'
|
|
|
+ },
|
|
|
+
|
|
|
+ personThree={
|
|
|
+ name:'Sveta',
|
|
|
+ surname:'Stasenko',
|
|
|
+ age:
|
|
|
+ '48',
|
|
|
+ fathername:
|
|
|
+ 'Oleksiivna',
|
|
|
+ sex:
|
|
|
+ 'woman'
|
|
|
+ }
|
|
|
+]
|
|
|
+let json = JSON.stringify(persons)
|
|
|
+console.log(json)
|
|
|
+
|
|
|
+
|
|
|
+// deserialize ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let persons = [
|
|
|
+
|
|
|
+ personOne={
|
|
|
+ name: 'Vlad',
|
|
|
+ surname: 'Stasenko',
|
|
|
+ age: 27,
|
|
|
+ fathername: 'Andriyovich',
|
|
|
+ sex: 'man'
|
|
|
+ },
|
|
|
+
|
|
|
+ personTwo={
|
|
|
+ name:'Kate',
|
|
|
+ surname:'Stasenko',
|
|
|
+ 'age': 27,
|
|
|
+ 'fathername': 'Andriivna',
|
|
|
+ 'sex': 'woman'
|
|
|
+ },
|
|
|
+
|
|
|
+ personThree={
|
|
|
+ name:'Sveta',
|
|
|
+ surname:'Stasenko',
|
|
|
+ age:
|
|
|
+ 48,
|
|
|
+ fathername:
|
|
|
+ 'Oleksiivna',
|
|
|
+ sex:
|
|
|
+ 'woman'
|
|
|
+ }
|
|
|
+]
|
|
|
+
|
|
|
+let json = JSON.stringify(persons)
|
|
|
+let personFour = {"name": "Andrey", "surname": "Stasenko", "age": 48, "fathername": "Anatoliiovych", "sex": "man"}
|
|
|
+json= JSON.parse(persons.push(personFour))
|
|
|
+json=JSON.stringify(persons)
|
|
|
+console.log(persons)
|
|
|
+
|
|
|
+
|
|
|
+// HTML ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let persons = [
|
|
|
+
|
|
|
+ personOne={
|
|
|
+ name: 'Vlad',
|
|
|
+ surname: 'Stasenko',
|
|
|
+ age: 27,
|
|
|
+ fathername: 'Andriyovich',
|
|
|
+ sex: 'man'
|
|
|
+ },
|
|
|
+
|
|
|
+ personTwo={
|
|
|
+ name:'Kate',
|
|
|
+ surname:'Yancheva',
|
|
|
+ 'age': 27,
|
|
|
+ 'fathername': 'Andriivna',
|
|
|
+ 'sex': 'woman'
|
|
|
+ },
|
|
|
+
|
|
|
+ personThree={
|
|
|
+ name:'Sveta',
|
|
|
+ surname:'Maksimenko',
|
|
|
+ age:
|
|
|
+ 48,
|
|
|
+ fathername:
|
|
|
+ 'Oleksiivna',
|
|
|
+ sex:
|
|
|
+ 'woman'
|
|
|
+ }
|
|
|
+]
|
|
|
+
|
|
|
+let json = JSON.stringify(persons)
|
|
|
+let personFour = {"name": "Andrey", "surname": "Stasenko", "age": 48, "fathername": "Anatoliiovych", "sex": "man"}
|
|
|
+json= JSON.parse(persons.push(personFour))
|
|
|
+json=JSON.stringify(persons)
|
|
|
+
|
|
|
+var str = "<table border='1'>"
|
|
|
+for (let i=0;i<persons.length;i++){
|
|
|
+ str += `<tr><td>${persons[i].name}</td><td>${persons[i].surname}</td></tr>`
|
|
|
+}
|
|
|
+str += "</table>"
|
|
|
+
|
|
|
+console.log(str)
|
|
|
+document.write(str)
|
|
|
+
|
|
|
+
|
|
|
+// HTML optional fields ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let personFour
|
|
|
+let persons = [
|
|
|
+
|
|
|
+ personOne={
|
|
|
+ name: 'Vlad',
|
|
|
+ surname: 'Stasenko',
|
|
|
+ age: 27,
|
|
|
+ fathername: 'Andriyovich',
|
|
|
+ sex: 'man'
|
|
|
+ },
|
|
|
+
|
|
|
+ personTwo={
|
|
|
+ name:'Kate',
|
|
|
+ surname:'Yancheva',
|
|
|
+ 'age': 27,
|
|
|
+ 'fathername': 'Andriivna',
|
|
|
+ 'sex': 'woman'
|
|
|
+ },
|
|
|
+
|
|
|
+ personThree={
|
|
|
+ name:'Sveta',
|
|
|
+ surname:'Maksimenko',
|
|
|
+ age:
|
|
|
+ 48,
|
|
|
+ fathername:
|
|
|
+ 'Oleksiivna',
|
|
|
+ sex:
|
|
|
+ 'woman'
|
|
|
+ }
|
|
|
+]
|
|
|
+
|
|
|
+let json = JSON.stringify(persons)
|
|
|
+personFour = {"name": "Andrey", "surname": "Stasenko", "age": 48, "fathername": "Anatoliiovych", "sex": "man"}
|
|
|
+json= JSON.parse(persons.push(personFour))
|
|
|
+json= JSON.stringify(persons)
|
|
|
+
|
|
|
+var str = "<table border='1'>"
|
|
|
+
|
|
|
+for(let key in persons[0]){
|
|
|
+ str+= `<td>${key}</td>`
|
|
|
+ }
|
|
|
+
|
|
|
+for (let i=0;i<persons.length;i++){
|
|
|
+ str += `<tr><td>${persons[i].name}</td>
|
|
|
+ <td>${persons[i].surname}</td>
|
|
|
+ <td>${persons[i].age}</td>
|
|
|
+ <td>${persons[i].fathername}</td>
|
|
|
+ <td>${persons[i].sex}</td>
|
|
|
+ </tr>`
|
|
|
+}
|
|
|
+str += "</table>"
|
|
|
+
|
|
|
+document.write(str)
|
|
|
+
|
|
|
+
|
|
|
+// HTML tr color ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let personFour
|
|
|
+let persons = [
|
|
|
+
|
|
|
+ personOne={
|
|
|
+ name: 'Vlad',
|
|
|
+ surname: 'Stasenko',
|
|
|
+ age: 27,
|
|
|
+ fathername: 'Andriyovich',
|
|
|
+ sex: 'man'
|
|
|
+ },
|
|
|
+
|
|
|
+ personTwo={
|
|
|
+ name:'Kate',
|
|
|
+ surname:'Yancheva',
|
|
|
+ 'age': 27,
|
|
|
+ 'fathername': 'Andriivna',
|
|
|
+ 'sex': 'woman'
|
|
|
+ },
|
|
|
+
|
|
|
+ personThree={
|
|
|
+ name:'Sveta',
|
|
|
+ surname:'Maksimenko',
|
|
|
+ age:
|
|
|
+ 48,
|
|
|
+ fathername:
|
|
|
+ 'Oleksiivna',
|
|
|
+ sex:
|
|
|
+ 'woman'
|
|
|
+ }
|
|
|
+]
|
|
|
+
|
|
|
+let json = JSON.stringify(persons)
|
|
|
+personFour = {"name": "Andrey", "surname": "Stasenko", "age": 48, "fathername": "Anatoliiovych", "sex": "man"}
|
|
|
+json= JSON.parse(persons.push(personFour))
|
|
|
+json= JSON.stringify(persons)
|
|
|
+
|
|
|
+var str = "<table border='1'>"
|
|
|
+
|
|
|
+for(let key in persons[0]){
|
|
|
+ str+= `<td>${key}</td>`
|
|
|
+ }
|
|
|
+
|
|
|
+for (let i=0;i<persons.length;i++){
|
|
|
+ str += `<tr style="background: ${i%2?'#f5f5dc':'white'}" >
|
|
|
+ <td>${persons[i].name}</td>
|
|
|
+ <td>${persons[i].surname}</td>
|
|
|
+ <td>${persons[i].age}</td>
|
|
|
+ <td>${persons[i].fathername}</td>
|
|
|
+ <td>${persons[i].sex}</td>
|
|
|
+ </tr>`
|
|
|
+}
|
|
|
+str += "</table>"
|
|
|
+
|
|
|
+document.write(str)
|
|
|
+
|
|
|
+
|
|
|
+// HTML th optional ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let personOne = {
|
|
|
+ name: 'Vlad',
|
|
|
+ surname: 'Stasenko',
|
|
|
+ age: 27,
|
|
|
+ fathername: 'Andriyovich',
|
|
|
+ sex: 'man',
|
|
|
+ car:'BMW',
|
|
|
+ married: true
|
|
|
+}
|
|
|
+
|
|
|
+let personTwo = {
|
|
|
+ name:'Kate',
|
|
|
+ surname:'Yancheva',
|
|
|
+ 'fathername': 'Andriivna',
|
|
|
+ 'sex': 'woman'
|
|
|
+}
|
|
|
+
|
|
|
+let personThree = {
|
|
|
+ name:'Sveta',
|
|
|
+ surname:'Maksimenko',
|
|
|
+ age:
|
|
|
+ 48,
|
|
|
+ fathername:
|
|
|
+ 'Oleksiivna',
|
|
|
+ sex:
|
|
|
+ 'woman',
|
|
|
+ married: false
|
|
|
+}
|
|
|
+
|
|
|
+let personFour
|
|
|
+
|
|
|
+let persons = [personOne, personTwo, personThree]
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+let json = JSON.stringify(persons)
|
|
|
+personFour = {"name": "Andrey", "surname": "Stasenko", "age": 48, "fathername": "Anatoliiovych", "sex": "man"}
|
|
|
+json= JSON.parse(persons.push(personFour))
|
|
|
+json= JSON.stringify(persons)
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+let keys = Object.keys(persons.reduce(function(keysPerson, obj){return Object.assign(keysPerson, obj);},0))
|
|
|
+
|
|
|
+
|
|
|
+let str = "<table border='1'>"
|
|
|
+
|
|
|
+
|
|
|
+for(let i=0; i<keys.length; ++i){
|
|
|
+ str += `<th>${keys[i]}</th>`
|
|
|
+}
|
|
|
+for(let j=0; j<persons.length; ++j){
|
|
|
+ str+='<tr>'
|
|
|
+for(k=0; k<keys.length; k++){
|
|
|
+ str+=`<td style="background: ${j%2?'#f5f5dc':'white'}"> ${
|
|
|
+(persons[j][keys[k]]) == false? 'Не в браке':
|
|
|
+(persons[j][keys[k]]) == true? 'В браке' :
|
|
|
+(persons[j][keys[k]]) == undefined? 'Поле не заданно': (persons[j][keys[k]])
|
|
|
+
|
|
|
+} </td>`
|
|
|
+
|
|
|
+}
|
|
|
+ str+='</tr>'
|
|
|
+}
|
|
|
+
|
|
|
+str += "</table>"
|
|
|
+document.write(str)
|
|
|
+
|
|
|
+
|
|
|
+// Задание на синий пояс ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+var someTree = {
|
|
|
+ tagName: "table", //html tag
|
|
|
+ subTags: [ //вложенные тэги
|
|
|
+ {
|
|
|
+ tagName: "tr",
|
|
|
+ subTags: [
|
|
|
+ {
|
|
|
+ tagName: "td",
|
|
|
+ text: "some text",
|
|
|
+ },
|
|
|
+ {
|
|
|
+ tagName: "td",
|
|
|
+ text: "some text 2",
|
|
|
+ }
|
|
|
+ ]
|
|
|
+ }
|
|
|
+ ],
|
|
|
+ attrs:
|
|
|
+ {
|
|
|
+ border: 1,
|
|
|
+ },
|
|
|
+}
|
|
|
+
|
|
|
+let strTop = `<${someTree.tagName}`
|
|
|
+let attrs = Object.keys(someTree.attrs)
|
|
|
+let values = Object.values(someTree.attrs)
|
|
|
+
|
|
|
+
|
|
|
+for (let i=0; i<attrs.length; i++){
|
|
|
+ strTop= strTop + ' ' + attrs[i] + '=' + values[i]
|
|
|
+}
|
|
|
+strTop = strTop + ">"
|
|
|
+
|
|
|
+
|
|
|
+for ( j=0; j< someTree.subTags.length; j++){
|
|
|
+ let openTR = '<'+ someTree.subTags[j].tagName + '>'
|
|
|
+ let closeTR ='</'+ someTree.subTags[j].tagName + '>'
|
|
|
+ strTop = strTop + openTR
|
|
|
+
|
|
|
+ for(k=0; k<someTree.subTags[j].subTags.length; k++){
|
|
|
+ let openTD = '<'+someTree.subTags[j].subTags[k].tagName+'>'
|
|
|
+ let text = someTree.subTags[j].subTags[k].text
|
|
|
+ let closeTD = '</'+someTree.subTags[j].subTags[k].tagName+'>'
|
|
|
+ strTop=strTop+openTD+text+closeTD
|
|
|
+}
|
|
|
+ strTop= strTop+closeTR
|
|
|
+}
|
|
|
+strTop=strTop+`</${someTree.tagName}>`
|
|
|
+
|
|
|
+console.log(strTop)
|
|
|
+
|
|
|
+
|
|
|
+// destruct array ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let arr = [1,2,3,4,5, "a", "b", "c"]
|
|
|
+
|
|
|
+let [odd1,even1,odd2,even2,odd3,...words] = arr
|
|
|
+
|
|
|
+console.log(odd1)
|
|
|
+console.log(even1)
|
|
|
+console.log(odd2)
|
|
|
+console.log(even2)
|
|
|
+console.log(odd3)
|
|
|
+console.log(words)
|
|
|
+
|
|
|
+
|
|
|
+// destruct string ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let arr = [1, "abc"]
|
|
|
+
|
|
|
+let [number, [s1,s2,s3]] = arr
|
|
|
+
|
|
|
+console.log(number)
|
|
|
+console.log(s1)
|
|
|
+console.log(s2)
|
|
|
+console.log(s3)
|
|
|
+
|
|
|
+
|
|
|
+// destruct 2 ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let obj = {name: 'Ivan',
|
|
|
+ surname: 'Petrov',
|
|
|
+ children: [{name: 'Maria'}, {name: 'Nikolay'}]}
|
|
|
+
|
|
|
+let {children: [{name: name1}, {name: name2}]} = obj
|
|
|
+
|
|
|
+console.log(name1)
|
|
|
+console.log(name2)
|
|
|
+
|
|
|
+
|
|
|
+// destruct 3 ==============================================================================
|
|
|
+
|
|
|
+
|
|
|
+let arr = [1,2,3,4, 5,6,7,10]
|
|
|
+
|
|
|
+let ObjfromArr = {...arr}
|
|
|
+let ObjFromArr2 = {...ObjfromArr, length: arr.length}
|
|
|
+let {0: a, 1: b, length: length} = ObjFromArr2
|
|
|
+
|
|
|
+console.log(a)
|
|
|
+console.log(b)
|
|
|
+console.log(length)
|
|
|
+
|
|
|
+
|
|
|
+// ============================================================================================================================================================
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|