in the following javascript code follow the directions in the picture Hands-on Project 7-1 Hands-on Project 7-1 Square Root Calculator Enter a number Calculate square

in the following javascript code follow the directions in the picture

Hands-on Project 7-1

Square Root Calculator

Enter a number

Square root

2. Before the closing

tag, add a script element containing the following global variable declarations: window attachEven "onload", createEventListener ); wer valueElement - document.getElementayia "value" war resultElement - document.getElementById("good" 3. Below the global variable declaration, add the following function to calculate the square root of the number entered and convert it to a string with two decimal places: Chapter 7 Using object-oriented JavaScript 1 function convert 2 war root - Math, Bart (valueRiement , value); 3 resultElemont .innerHTML = root toFixed (2): pasmugs leming AI Rather themes Milner an competent, state agentsin white or in persthe material resume and party were may be reprimand from the direct mailer partial wice the deal to my appealing to a martiality after or allowing museum Center wave of rain and alternal content was met winner was reserves were in 4. Below the convert function, add the following function to create event listeners: 11 add event listeners to calculate square root 2 button and clear form 3 function createEventListener of var submitButton as 6 document.getElementById("convertButton") it (SubmitButton, addEventListener ) subnicButton.addEventListener "elek ", convert, false B 1 else if (submitDutton, attach Event) submitButton.attachfront "onclick , convert ) 10 11 12 13 document.getElementById value").value - a A clear last starting value document.getElementayid " shoot ).innerHTML= UN clear previous results 5. Below the createEventListener function, add the following statements: 6. Save your changes to index.htm, open index.htm in a browserenter 25 in the Enter a number bag, and then click the calculate square root button. The Square root box should display the value .00, as shown in Figure 7-19. 11 Twindow, addEventListener