Innerhtml example va r m s g a m s g ho w a re yo

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ction to Computer Programming City Univ of HK / Dept of CS / Helena Wong http://www.cs.cityu.edu.hk/~helena 4. Program Structure III - 8 Assignment Statements Right-hand-side Left-hand-side Assignment statement (=) : Assign a value to a variable (or object property, eg. innerHTML) Example: va r m s g , a ; m s g = " Ho w a re yo u ? " ; a = 1 0 0 ; d o c um e nt.g e tEle m e ntById (`c h n') .inne rHT ML = `A'; d o c um e nt.F1 .re s ult.va lue = a + b ; We can also assign a value at the same time when a variable is declared: Example: va r x=4 , m s g =" Ho w a re yo u ? " ; More powerful assignment operators. Example: s a la ry += 1 0 0 ; s a la ry = s a la ry + 1 0 0 ; are the same. c o unte r += 1 ; counter=counter+1; are the same. Similar ones are : -=, *=, /=, %= (CS1301) Introduction to Computer Programming City Univ of HK / Dept of CS / Helena Wong http://www.cs.cityu.edu.hk/~helena 4. Program Structure III - 9 Data Types Data Types: the types of values that can be handled in a programming language. 3 J...
View Full Document

This note was uploaded on 03/10/2012 for the course CS 1301 taught by Professor Dr.wong during the Winter '08 term at City University of Hong Kong.

Ask a homework question - tutors are online