Article 1: How to create CEWP with HTML Source

Step 1: Open your site | Site Actions | New Page

Step 2: Dialog box appear | enter name MsTechSharing.com then click Create

Step 3: Click Ribbon Icon Save & Close

Step 4: Click Site Actions | Edit page

Step 5: Click tab Insert | Web Part

Step 6: In Categories | choose Media and Content | Content Editor

Step 7: Result, Content Editor added

Step 8: Choose Web Part Content Editor | Click to Menu trip then choose Edit Web Part

Step 9: Result, Tool Part appear but don’t configure on it

Step 10: Click to “Click here to add new content” link 

Step 11: Click to Menu trip HTML | Edit HTML Source

Step 12: Editor HTML Source appear and paste script to here “<script>alert(“Hello MSTechSharing.com”);</ script >” then click OK

Step 13: After code javascript, Click button OK on Tool Part

Step 14: Result, you see alert written in Editor HTML Source poupup