Examples: Axe

Textures

Item

/* myAxe.js */
name = "myAxe";
addToCreative[0] = true;
creativeTab = "tools";
damage = 2;
full3d = true;
toolClass = "axe";
harvestLevel = 3;
efficiency[0] = 6.0;
maxDamage = 200;
onHitEntity[0] = "itemstack.damageItem(2);";
onBlockDestroyed[0] = "itemstack.damageItem(1);";

textureFile[0] = "axe.png";

en_US.lang

item.myAxe0.name=My Axe

mod.js

mod.addItem("myAxe.js", "normal");