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- let obj = {name:'John Doe'};
- let arr =[1,true,null,'john',{},NaN]
-
-
-
-
- /*let engineIndicatorLights = 'red blinking';
- let spaceSuitsOn = true;
- let shuttleCabinReady = true;
- let crewStatus = spaceSuitsOn && shuttleCabinReady;
- let computerStatusCode = 200;
- let shuttleSpeed = 15_000;
- let fuelLevel= 5_00;
- let engineTemperature= 5_00;
-
- if (crewStatus) {
- console.log('Crew Ready');
- }
- else {
- console.log('Crew Not Ready');
- }
-
- if (computerStatusCode === 200) {
- console.log('Pleas stand by, computer is rebooting!');
- }
- else if(computerStatusCode === 400) {
- console.log('Success. Computer Online');
- } else {
- console.log('ALERT: Computer offline');
- }
-
- if(shuttleSpeed > 17_500) {
- console.log("ALERT: Escape velocity reached!");
- }
- else if (shuttleSpeed < 8_000) {
- console.log("ALERT: Cannot maintain orbit!");
- }
- else {
- console.log("stable speed");
- }
-
-
- if(fuelLevel > 20_000 && engineTemperature <= 2_500){
- console.log("Full tank. Engines good");
- }
- else if(fuelLevel > 10_000 && engineTemperature <= 2_500){
- console.log("Full level above 50%. Engines good.");
- }
- else if(fuelLevel > 5_000 && engineTemperature <= 2_500){
- console.log("Full level above 25%. Engines good.");
- }
- else if(fuelLevel<=5_000 || engineTemperature > 2_500){
- console.log('Check fuel level. Engines running hot');
- }
- else if (fuelLevel < 1_000 || engineTemperature > 3_500 || engineIndicatorLights === 'red blinking'){
- console.log('ENGINE FAILURE EMINENT');
- }
- else {
- console.log('Fuel and engine status penging...');
- }
-
-
- */
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