Dear Client.
I read your post and It really matches to me.
Because it was my first language I learned. I have finished many project like this.
Of cause I 'm excellent in PHP and JavaScript ... now, enough experience on it.
I am confident in my skills and always value for client's trust.
If you choose me, I'll do my best on your job and you can get a perfect project in short time.
I hope to meet you and we can discuss more about project.
Best Regards.