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108 lines
1.8 KiB
JavaScript
108 lines
1.8 KiB
JavaScript
console.log('hello world');
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let countries=[ 'US','PH','CAN','SG','TH','PH','FR','DE'];
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let indexOfArray= countries.indexOf('PH');
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console.log('Resullt of IndexOf method:');
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console.log(indexOfArray);
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let slicedArrayA = countries.slice(2);
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console.log('Resullt of slice method:');
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console.log(slicedArrayA);
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let taskArrayA= [ 'dring html','eat javascript'];
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let taskArrayB= [ 'dring html','eat javascript'];
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let taskArrayC= [ 'dring html','eat javascript'];
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let task=taskArrayA.concat(taskArrayB);
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console.log('Resullt of concat method:');
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console.log(task);
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let user= [ 'john','jane','joe','jobert'];
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console.log('Resullt of join method:');
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console.log(user.join());
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console.log(user.join(' -'));
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console.log(user.join(' /'));
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user.forEach( function(task){
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console.log(task)
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});
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let numbers = [ 1,2,3,4,5];
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let numberMap = numbers.map(function(number){
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return number * number;
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});
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console.log('Original Array');
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console.log(numbers);
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console.log(numberMap);
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let checkedAll= numbers.every(function(number){
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return(number < 3);
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});
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console.log('Results of every method');
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console.log(checkedAll);
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let someAll= numbers.some(function(number){
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return(number < 2);
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});
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console.log('Results of every method');
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console.log(someAll);
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if(someAll){
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console.log('some numbers in the array are greater than 2');
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}
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let filteredAll= numbers.filter(function(number){
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return(number == 0);
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});
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console.log('Results of filter method');
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console.log(filteredAll);
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let products= [ 'mouse','keyboard','laptop','monitor'];
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let product1=products.includes('mouse');
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console.log(product1);
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let product2=products.includes('keyboard');
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console.log(product2);
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let includeAll= products.includes(function(products){
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console.log(includeAll)
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});
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console.log('Results of filter method');
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console.log(filteredAll);
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