javascript

Readings

• • Severance, C. (2012). JavaScript: Designing a language in 10 days. Computer, (2), 7-8. (ncsu)

  • Andreessen, M. 1998. TechVision: Innovators of the Net: Brendan Eich and JavaScript". web.archive.org. Archived from the original on 2008-02-08.

References

• • Mozilla's

  • General js page

  • Reference

Generalities

• • Statements end with semicolons

  • Built in functions

    • Universal ones work everywhere that js does

    • Others (like alert) are browser specific

  • Dynamically typed

Comments

• • After //

  • Between /* */

Arrays

• • Declaring

    • Literal: = [1,2,3];

    • Empty: = [];

    • Call: = new Array(1,2,3);

  • Access: myarray[0];

  • Getting length: myarray.length

  • Adding

    • to end:

      • myarray[myarray.length] = 'new item';

      • myarray.push('new item 1','new item 2');

    • to beginning: myarray.unshift('new item');

  • Removing

    • From end: pop();

    • From beginning: shift();

Loops, ifs, scoping

• • Very familiar to programmers