Refer to the code below:01 const exec = (item, delay) =>{02 newPromise(resolve => setTimeout( () => resolve(item), delay)), 03 async function runParallel() {04 Const (result1, result2, result3) = await Promise.all{ 05 [exec (`x', `100') , exec(`y', 500), exec(`z', `100')] 06 );07 return `parallel is done: $(result1)$(result2)$(result3)`; 08 }}}Which two statements correctly execute the runParallel () function? Choose 2 answers
Answer(s): B,D
A developer needs to test this function:01const sum3 = (arr) => (02if (!arr.length) return 0,03if (arr.length === 1) return arr[0],04if (arr.length === 2) return arr[0]+ arr[1],05 return arr[0] + arr[1] + arr[2],06 );Which two assert statements are valid tests for the function? Choose 2 answers
Answer(s): A,C
Which statement phrases successfully?
Answer(s): D
Refer to the code below:01 let car1 = new promise((_, reject) =>02 setTimeout(reject, 2000, "Car 1 crashed in"));03 let car2 = new Promise(resolve => setTimeout(resolve, 1500, "Car 2 completed"));04 let car3 = new Promise(resolve => setTimeout (resolve, 3000, "Car 3 Completed"));05 Promise.race([car1, car2, car3])06 .then(value => (07 let result = $(value) the race. `;08 ))09 .catch( arr => (10 console.log("Race is cancelled.", err);11 ));What is the value of result when Promise.race executes?
Answer(s): C
Refer to the code below:for(let number =2 ; number <= 5 ; number += 1 ) {// insert code statement here}Thedeveloper needs to insert a code statement in the location shown. The code statement has these requirements:1. Does require an import2. Logs an error when the boolean statement evaluates to false3. Works in both the browser and Node.jsWhich meet the requirements?
Share your comments for Salesforce JAVASCRIPT-DEVELOPER-I exam with other users:
question number 2 is indicating you are giving proper questions. observe and change properly.